{"id":"CVE-2026-73087","state":"PUBLISHED","title":"Dozzle: SSRF guard bypass via IPv6 transition addresses (6to4/NAT64/Teredo) in webhook notification dispatcher","description":"Dozzle is a realtime log viewer for docker containers. From 10.5.2 until 10.6.15, the isBlockedIP SSRF guard in internal/notification/dispatcher/webhook.go, used by safeDialContext for webhook notification URLs, does not inspect IPv4 addresses embedded in 6to4, NAT64, Teredo, or IPv4-compatible IPv6 addresses, allowing an authenticated user to reach loopback or link-local targets that the guard intends to block. This issue is fixed in version 10.6.15.","publishedAt":"2026-08-11T16:52:13.728Z","updatedAt":"2026-08-11T19:57:12.584Z","severity":{"score":2.3,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["amir20 dozzle"],"affected":[{"vendor":"amir20","product":"dozzle","versions":[{"version":"< 10.6.15","status":"affected"}]}],"references":["https://github.com/amir20/dozzle/security/advisories/GHSA-p2w3-6x73-2f6x","https://github.com/amir20/dozzle/pull/4887","https://github.com/amir20/dozzle/commit/8cf7ccd5ee041ecaea92b49951793d4d2393761f","https://github.com/amir20/dozzle/releases/tag/v10.6.15"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73087.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73087","state":"PUBLISHED","datePublished":"2026-08-11T16:52:13.728Z","dateUpdated":"2026-08-11T19:57:12.584Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-10T19:37:41.445Z"},"containers":{"cna":{"title":"Dozzle: SSRF guard bypass via IPv6 transition addresses (6to4/NAT64/Teredo) in webhook notification dispatcher","descriptions":[{"lang":"en","value":"Dozzle is a realtime log viewer for docker containers. From 10.5.2 until 10.6.15, the isBlockedIP SSRF guard in internal/notification/dispatcher/webhook.go, used by safeDialContext for webhook notification URLs, does not inspect IPv4 addresses embedded in 6to4, NAT64, Teredo, or IPv4-compatible IPv6 addresses, allowing an authenticated user to reach loopback or link-local targets that the guard intends to block. This issue is fixed in version 10.6.15."}],"affected":[{"vendor":"amir20","product":"dozzle","versions":[{"version":"< 10.6.15","status":"affected"}]}],"references":[{"url":"https://github.com/amir20/dozzle/security/advisories/GHSA-p2w3-6x73-2f6x","name":"https://github.com/amir20/dozzle/security/advisories/GHSA-p2w3-6x73-2f6x","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/amir20/dozzle/pull/4887","name":"https://github.com/amir20/dozzle/pull/4887","tags":["x_refsource_MISC"]},{"url":"https://github.com/amir20/dozzle/commit/8cf7ccd5ee041ecaea92b49951793d4d2393761f","name":"https://github.com/amir20/dozzle/commit/8cf7ccd5ee041ecaea92b49951793d4d2393761f","tags":["x_refsource_MISC"]},{"url":"https://github.com/amir20/dozzle/releases/tag/v10.6.15","name":"https://github.com/amir20/dozzle/releases/tag/v10.6.15","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-11T16:52:13.728Z"},"source":{"advisory":"GHSA-p2w3-6x73-2f6x","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/amir20/dozzle/security/advisories/GHSA-p2w3-6x73-2f6x","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T19:56:42.946504Z","id":"CVE-2026-73087","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T19:57:12.584Z"}}]}}}