diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/configs/SecurityConfig.kt b/src/main/kotlin/kr/co/vividnext/sodalive/configs/SecurityConfig.kt
index bd55f234..b55e35f5 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/configs/SecurityConfig.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/configs/SecurityConfig.kt
@@ -188,6 +188,7 @@ class SecurityConfig(
             .antMatchers("/live/recommend/channel").permitAll()
             .antMatchers(HttpMethod.GET, "/live/room").permitAll()
             .antMatchers(HttpMethod.GET, "/event").permitAll()
+            .antMatchers(HttpMethod.GET, "/api/v2/events/*").permitAll()
             .antMatchers(HttpMethod.GET, "/live/recommend").permitAll()
             .antMatchers("/ad-tracking/app-launch").permitAll()
             .antMatchers(HttpMethod.GET, "/notice/latest").permitAll()
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/v2/api/event/adapter/in/web/EventDetailController.kt b/src/main/kotlin/kr/co/vividnext/sodalive/v2/api/event/adapter/in/web/EventDetailController.kt
new file mode 100644
index 00000000..8efc945d
--- /dev/null
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/v2/api/event/adapter/in/web/EventDetailController.kt
@@ -0,0 +1,20 @@
+package kr.co.vividnext.sodalive.v2.api.event.adapter.`in`.web
+
+import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.v2.api.event.application.EventDetailService
+import org.springframework.security.core.annotation.AuthenticationPrincipal
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/api/v2/events")
+class EventDetailController(private val service: EventDetailService) {
+    @GetMapping("/{id}")
+    fun getEvent(
+        @PathVariable id: Long,
+        @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
+    ) = ApiResponse.ok(service.getEvent(id, member))
+}
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/v2/api/event/application/EventDetailService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/v2/api/event/application/EventDetailService.kt
new file mode 100644
index 00000000..bc76a596
--- /dev/null
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/v2/api/event/application/EventDetailService.kt
@@ -0,0 +1,55 @@
+package kr.co.vividnext.sodalive.v2.api.event.application
+
+import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.event.EventItem
+import kr.co.vividnext.sodalive.event.EventRepository
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.member.auth.AuthRepository
+import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.data.repository.findByIdOrNull
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+import java.time.LocalDateTime
+
+@Service
+class EventDetailService(
+    private val repository: EventRepository,
+    private val authRepository: AuthRepository,
+    private val memberContentPreferenceService: MemberContentPreferenceService,
+    @Value("\${cloud.aws.cloud-front.host}")
+    private val cloudFrontHost: String
+) {
+    @Transactional(readOnly = true)
+    fun getEvent(id: Long, member: Member?): EventItem {
+        if (id <= 0) throw SodaException(messageKey = "common.error.invalid_request")
+
+        val event = repository.findByIdOrNull(id)
+            ?: throw SodaException(messageKey = "common.error.invalid_request")
+        val now = LocalDateTime.now()
+        val lang = if (memberContentPreferenceService.resolveCountryCode(member) == "JP") Lang.JA else Lang.KO
+
+        if (!event.isActive || event.startDate > now || event.endDate < now || event.lang != lang) {
+            throw SodaException(messageKey = "common.error.invalid_request")
+        }
+
+        if (member?.role != MemberRole.ADMIN) {
+            val isAdult = member?.id?.let { authRepository.getAuthIdByMemberId(it) != null } ?: false
+            if (event.isAdult != null && event.isAdult != isAdult) {
+                throw SodaException(messageKey = "common.error.invalid_request")
+            }
+        }
+
+        return EventItem(
+            id = id,
+            thumbnailImageUrl = imageUrl(event.thumbnailImage),
+            detailImageUrl = event.detailImage?.let { imageUrl(it) },
+            popupImageUrl = event.popupImage?.let { imageUrl(it) },
+            link = event.link
+        )
+    }
+
+    private fun imageUrl(image: String): String = if (image.startsWith("https://")) image else "$cloudFrontHost/$image"
+}
diff --git a/src/test/kotlin/kr/co/vividnext/sodalive/v2/api/event/EventDetailControllerIntegrationTest.kt b/src/test/kotlin/kr/co/vividnext/sodalive/v2/api/event/EventDetailControllerIntegrationTest.kt
new file mode 100644
index 00000000..11f4cc36
--- /dev/null
+++ b/src/test/kotlin/kr/co/vividnext/sodalive/v2/api/event/EventDetailControllerIntegrationTest.kt
@@ -0,0 +1,350 @@
+package kr.co.vividnext.sodalive.v2.api.event
+
+import com.fasterxml.jackson.databind.JsonNode
+import com.fasterxml.jackson.databind.ObjectMapper
+import kr.co.vividnext.sodalive.aws.s3.S3Uploader
+import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.event.Event
+import kr.co.vividnext.sodalive.event.EventRepository
+import kr.co.vividnext.sodalive.i18n.Lang
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberAdapter
+import kr.co.vividnext.sodalive.member.MemberRepository
+import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.member.auth.Auth
+import kr.co.vividnext.sodalive.member.auth.AuthRepository
+import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.CsvSource
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.boot.test.mock.mockito.MockBean
+import org.springframework.boot.test.web.client.TestRestTemplate
+import org.springframework.http.HttpEntity
+import org.springframework.http.HttpHeaders
+import org.springframework.http.HttpMethod
+import org.springframework.http.HttpStatus
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken
+import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.authentication
+import org.springframework.test.annotation.DirtiesContext
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.web.servlet.MockMvc
+import org.springframework.test.web.servlet.MvcResult
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get
+import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException
+import java.time.LocalDateTime
+
+@SpringBootTest(
+    webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
+    properties = [
+        "cloud.aws.cloud-front.host=https://cdn.test",
+        "cloud.aws.s3.bucket=test-bucket",
+        "spring.datasource.url=jdbc:h2:mem:event-detail-controller-integration;" +
+            "MODE=MySQL;DATABASE_TO_UPPER=false;NON_KEYWORDS=VALUE;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE"
+    ]
+)
+@AutoConfigureMockMvc
+@ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
+@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_CLASS)
+class EventDetailControllerIntegrationTest @Autowired constructor(
+    private val restTemplate: TestRestTemplate,
+    private val mockMvc: MockMvc,
+    private val eventRepository: EventRepository,
+    private val memberRepository: MemberRepository,
+    private val authRepository: AuthRepository,
+    private val objectMapper: ObjectMapper
+) {
+    @MockBean
+    private lateinit var s3Uploader: S3Uploader
+
+    @BeforeEach
+    @AfterEach
+    fun cleanUp() {
+        eventRepository.deleteAllInBatch()
+        authRepository.deleteAllInBatch()
+        memberRepository.deleteAllInBatch()
+    }
+
+    @Test
+    @DisplayName("익명 상세는 기존 목록과 같은 5개 필드와 외부 링크를 반환하고 엔티티를 변경하지 않는다")
+    fun shouldReturnAnonymousEventDetailWithLegacyFieldsWithoutMutatingTheEntity() {
+        val event = saveEvent(
+            activeEvent().apply {
+                detailImage = null
+                popupImage = null
+                link = "https://external.test/promotion?from=soda&target=event#detail"
+            }
+        )
+
+        val detail = httpGet("/api/v2/events/${event.id}")
+
+        assertEquals(
+            objectMapper.readTree(
+                """{"success":true,"message":null,"data":{
+                    "id":${event.id},"thumbnailImageUrl":"https://cdn.test/thumbnail.png",
+                    "detailImageUrl":null,"popupImageUrl":null,
+                    "link":"https://external.test/promotion?from=soda&target=event#detail"
+                },"errorProperty":null}"""
+            ),
+            detail
+        )
+        assertEquals(httpGet("/event")["data"]["eventList"].single(), detail["data"])
+        val persisted = eventRepository.findById(requireNotNull(event.id)).orElseThrow()
+        assertEquals("thumbnail.png", persisted.thumbnailImage)
+        assertEquals(null, persisted.detailImage)
+        assertEquals(null, persisted.popupImage)
+        assertEquals(event.link, persisted.link)
+    }
+
+    @ParameterizedTest
+    @CsvSource(
+        "https://images.test/image.png, https://images.test/image.png",
+        "relative/image.png, https://cdn.test/relative/image.png",
+        "http://images.test/image.png, https://cdn.test/http://images.test/image.png"
+    )
+    @DisplayName("세 이미지 필드는 HTTPS만 보존하고 상대 경로와 HTTP는 기존 CDN 규칙을 따른다")
+    fun shouldMapAllImageFieldsLikeTheLegacyList(image: String, expectedImage: String) {
+        val event = saveEvent(
+            activeEvent().apply {
+                thumbnailImage = image
+                detailImage = image
+                popupImage = image
+                link = null
+            }
+        )
+
+        val detail = httpGet("/api/v2/events/${event.id}")["data"]
+
+        assertEquals(5, detail.size())
+        assertEquals(event.id, detail["id"].asLong())
+        assertEquals(expectedImage, detail["thumbnailImageUrl"].asText())
+        assertEquals(expectedImage, detail["detailImageUrl"].asText())
+        assertEquals(expectedImage, detail["popupImageUrl"].asText())
+        assertEquals(true, detail["link"].isNull)
+        assertEquals(httpGet("/event")["data"]["eventList"].single(), detail)
+        val persisted = eventRepository.findById(requireNotNull(event.id)).orElseThrow()
+        assertEquals(image, persisted.thumbnailImage)
+        assertEquals(image, persisted.detailImage)
+        assertEquals(image, persisted.popupImage)
+    }
+
+    @ParameterizedTest
+    @CsvSource(
+        "DEFAULT, KO",
+        "KR, KO",
+        "JP, JA",
+        "US, KO",
+        nullValues = ["DEFAULT"]
+    )
+    @DisplayName("익명 상세의 국가별 언어와 비노출 응답은 기존 목록과 일치한다")
+    fun shouldApplyTheSameCountryLanguageAsTheLegacyList(country: String?, expectedLang: Lang) {
+        val events = listOf(Lang.KO, Lang.JA, Lang.EN).map { lang ->
+            saveEvent(activeEvent().apply { this.lang = lang })
+        }
+        val expected = events.single { it.lang == expectedLang }
+        val legacyItems = httpGet("/event", country)["data"]["eventList"]
+        assertEquals(listOf(expected.id), legacyItems.map { it["id"].asLong() })
+
+        events.forEach { event ->
+            val detail = httpGet("/api/v2/events/${event.id}", country)
+            if (event.id == expected.id) {
+                assertEquals(true, detail["success"].asBoolean())
+                assertEquals(legacyItems.single(), detail["data"])
+            } else {
+                assertInvalidRequest(detail)
+            }
+        }
+    }
+
+    @Test
+    @DisplayName("성인 null false true의 익명 미인증 인증 관리자 노출은 KO와 JA 모두 기존 목록과 같다")
+    fun shouldMatchTheLegacyAdultMatrixForAnonymousUnverifiedVerifiedAndAdminViewers() {
+        val unverified = saveMember("unverified")
+        val verified = saveMember("verified", verified = true)
+        val admin = saveMember("admin", role = MemberRole.ADMIN)
+        assertEquals(null, authRepository.getAuthIdByMemberId(requireNotNull(unverified.id)))
+        assertEquals(1L, authRepository.count())
+
+        listOf("KR" to Lang.KO, "JP" to Lang.JA).forEach { (country, lang) ->
+            val general = saveEvent(activeEvent().apply { this.lang = lang })
+            val nonAdult = saveEvent(
+                activeEvent().apply {
+                    this.lang = lang
+                    isAdult = false
+                }
+            )
+            val adult = saveEvent(
+                activeEvent().apply {
+                    this.lang = lang
+                    isAdult = true
+                }
+            )
+            val events = listOf(general, nonAdult, adult)
+            val viewers = listOf(
+                null to setOf(general.id, nonAdult.id),
+                unverified to setOf(general.id, nonAdult.id),
+                verified to setOf(general.id, adult.id),
+                admin to setOf(general.id, nonAdult.id, adult.id)
+            )
+
+            viewers.forEach { (member, expectedIds) ->
+                val legacyItems = viewerGet("/event", member, country)["data"]["eventList"]
+                assertEquals(expectedIds, legacyItems.map { it["id"].asLong() }.toSet())
+                events.forEach { event ->
+                    val detail = viewerGet("/api/v2/events/${event.id}", member, country)
+                    if (event.id in expectedIds) {
+                        assertEquals(true, detail["success"].asBoolean())
+                        assertEquals(legacyItems.single { it["id"].asLong() == event.id }, detail["data"])
+                    } else {
+                        assertInvalidRequest(detail)
+                    }
+                }
+            }
+        }
+    }
+
+    @Test
+    @DisplayName("관리자도 활성 기간 언어 조건을 우회하지 못하고 비노출 상세는 미존재와 같다")
+    fun shouldRejectAllHiddenStatesEvenForAdminWhileMatchingTheLegacyList() {
+        val visible = saveEvent(activeEvent())
+        val hidden = listOf(
+            activeEvent().apply { isActive = false },
+            activeEvent().apply {
+                startDate = LocalDateTime.now().plusDays(1)
+                endDate = startDate.plusDays(1)
+            },
+            activeEvent().apply {
+                endDate = LocalDateTime.now().minusDays(1)
+                startDate = endDate.minusDays(1)
+            },
+            activeEvent().apply { lang = Lang.JA },
+            activeEvent().apply { lang = Lang.EN }
+        ).map { saveEvent(it) }
+        val unverified = saveMember("hidden-unverified")
+        val verified = saveMember("hidden-verified", verified = true)
+        val admin = saveMember("hidden-admin", role = MemberRole.ADMIN)
+        val missing = httpGet("/api/v2/events/${Long.MAX_VALUE}")
+        assertInvalidRequest(missing)
+
+        listOf(null, unverified, verified, admin).forEach { member ->
+            val legacyItems = viewerGet("/event", member)["data"]["eventList"]
+            assertEquals(listOf(visible.id), legacyItems.map { it["id"].asLong() })
+            hidden.forEach { event ->
+                assertEquals(missing, viewerGet("/api/v2/events/${event.id}", member))
+            }
+        }
+    }
+
+    @ParameterizedTest
+    @CsvSource("0", "-1", "9223372036854775807")
+    @DisplayName("양수가 아니거나 미존재인 ID는 HTTP 200 invalid_request 실패 응답을 반환한다")
+    fun shouldRejectNonpositiveAndMissingIdsWithTheCommonInvalidRequest(id: String) {
+        assertInvalidRequest(httpGet("/api/v2/events/$id"))
+        val result = mockGet("/api/v2/events/$id")
+        assertEquals("common.error.invalid_request", (result.resolvedException as SodaException).messageKey)
+    }
+
+    @ParameterizedTest
+    @CsvSource("not-a-number", "9223372036854775808")
+    @DisplayName("숫자가 아니거나 Long 범위를 넘는 ID는 기존 바인딩과 공통 예외 응답을 유지한다")
+    fun shouldKeepTheGlobalBindingErrorResponseForMalformedIds(id: String) {
+        val response = httpGet("/api/v2/events/$id")
+        assertEquals(
+            objectMapper.readTree(
+                """{"success":false,"message":"알 수 없는 오류가 발생했습니다. 다시 시도해 주세요.",
+                    "data":null,"errorProperty":null}"""
+            ),
+            response
+        )
+        assertEquals(
+            MethodArgumentTypeMismatchException::class.java,
+            mockGet("/api/v2/events/$id").resolvedException?.javaClass
+        )
+    }
+
+    @ParameterizedTest
+    @CsvSource(
+        "POST, /api/v2/events/1", "PUT, /api/v2/events/1", "DELETE, /api/v2/events/1",
+        "GET, /api/v2/events", "POST, /api/v2/events", "GET, /api/v2/events/1/extra",
+        "GET, /api/v2/events/1/extra/deeper", "GET, /event/popup", "GET, /admin/event/banner",
+        "POST, /event", "PUT, /event", "DELETE, /event/1", "GET, /admin/event/banner/1"
+    )
+    @DisplayName("익명 쓰기 collection 하위 경로 기존 팝업 관리자 API는 계속 인증이 필요하다")
+    fun shouldKeepAnonymousRequestsOutsideTheDetailGetProtected(method: HttpMethod, path: String) {
+        val response = restTemplate.exchange(path, method, HttpEntity.EMPTY, String::class.java)
+        println("HTTP $method $path -> ${response.statusCodeValue} ${response.body}")
+        assertEquals(HttpStatus.UNAUTHORIZED, response.statusCode)
+    }
+
+    private fun httpGet(path: String, country: String? = null): JsonNode {
+        val headers = HttpHeaders().apply {
+            country?.let { set("CloudFront-Viewer-Country", it) }
+        }
+        val response = restTemplate.exchange(path, HttpMethod.GET, HttpEntity<Void>(headers), String::class.java)
+        println("HTTP GET $path country=$country -> ${response.statusCodeValue} ${response.body}")
+        assertEquals(HttpStatus.OK, response.statusCode)
+        return objectMapper.readTree(response.body)
+    }
+
+    private fun viewerGet(path: String, member: Member?, country: String? = null): JsonNode {
+        if (member == null) return httpGet(path, country)
+        return objectMapper.readTree(mockGet(path, member, country).response.contentAsByteArray)
+    }
+
+    private fun mockGet(path: String, member: Member? = null, country: String? = null): MvcResult {
+        val request = get(path).apply {
+            country?.let { header("CloudFront-Viewer-Country", it) }
+            member?.let {
+                val adapter = MemberAdapter(it)
+                with(authentication(UsernamePasswordAuthenticationToken(adapter, null, adapter.authorities)))
+            }
+        }
+        val result = mockMvc.perform(request).andReturn()
+        println(
+            "MockMvc GET $path role=${member?.role} country=$country -> ${result.response.status} " +
+                result.response.getContentAsString(Charsets.UTF_8)
+        )
+        assertEquals(200, result.response.status)
+        return result
+    }
+
+    private fun assertInvalidRequest(response: JsonNode) {
+        assertEquals(
+            objectMapper.readTree(
+                """{"success":false,"message":"잘못된 요청입니다.","data":null,"errorProperty":null}"""
+            ),
+            response
+        )
+    }
+
+    private fun saveMember(seed: String, role: MemberRole = MemberRole.USER, verified: Boolean = false): Member {
+        val member = memberRepository.saveAndFlush(Member(password = "test-password", nickname = seed, role = role))
+        if (verified) {
+            val auth = authRepository.saveAndFlush(
+                Auth("test-member", "19900101", "test-ci-$seed", "test-di-$seed", 1).apply { this.member = member }
+            )
+            assertEquals(auth.id, authRepository.getAuthIdByMemberId(requireNotNull(member.id)))
+        }
+        return member
+    }
+
+    private fun saveEvent(event: Event): Event = eventRepository.saveAndFlush(event)
+
+    private fun activeEvent(): Event = Event(
+        thumbnailImage = "thumbnail.png",
+        detailImage = "detail.png",
+        popupImage = "popup.png",
+        link = "https://external.test/event",
+        title = "not-returned-title",
+        isAdult = null,
+        isPopup = false,
+        startDate = LocalDateTime.now().minusDays(1),
+        endDate = LocalDateTime.now().plusDays(1)
+    )
+}