{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47684","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-19T21:18:20.402Z","datePublished":"2026-06-16T14:31:30.807Z","dateUpdated":"2026-06-16T17:10:12.548Z"},"containers":{"cna":{"title":"Sync-in Server: SSRF protection bypass via IPv4-mapped IPv6 addresses in regExpPrivateIP","problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/Sync-in/server/security/advisories/GHSA-q4x5-8cj6-52wg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Sync-in/server/security/advisories/GHSA-q4x5-8cj6-52wg"},{"name":"https://github.com/Sync-in/server/releases/tag/v2.3.0","tags":["x_refsource_MISC"],"url":"https://github.com/Sync-in/server/releases/tag/v2.3.0"}],"affected":[{"vendor":"Sync-in","product":"server","versions":[{"version":"< 2.3.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-16T14:31:30.807Z"},"descriptions":[{"lang":"en","value":"Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.3.0, the private IP blocklist regex used in the URL download feature does not match IPv4-mapped IPv6 addresses (e.g. ::ffff:127.0.0.1), allowing SSRF protection to be bypassed on dual-stack systems. Version 2.3.0 fixes the issue."}],"source":{"advisory":"GHSA-q4x5-8cj6-52wg","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/Sync-in/server/security/advisories/GHSA-q4x5-8cj6-52wg","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-16T17:01:38.857420Z","id":"CVE-2026-47684","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-16T17:10:12.548Z"}}]}}