{"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"}}]}}

{"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": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-47684", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-16T17:01:38.857420Z"}}}], "references": [{"url": "https://github.com/Sync-in/server/security/advisories/GHSA-q4x5-8cj6-52wg", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-16T17:01:51.847Z"}}]}}

{"cveTags": [], "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."}], "id": "CVE-2026-47684", "lastModified": "2026-06-16T19:16:55.613", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-06-16T15:16:41.063", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Sync-in/server/releases/tag/v2.3.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/Sync-in/server/security/advisories/GHSA-q4x5-8cj6-52wg"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/Sync-in/server/security/advisories/GHSA-q4x5-8cj6-52wg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.3.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "server", "source": "cna", "vendor": "Sync-in"}, "product": "server", "vendor": "sync-in"}], "created": "2026-06-16T17:00:13.035427+00:00", "updated": "2026-06-17T21:45:02.800385+00:00", "vendors": ["sync-in", "sync-in$PRODUCT$server"]}