{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62960", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-14T22:32:17.732Z", "datePublished": "2026-08-21T20:05:45.099Z", "dateUpdated": "2026-08-21T20:05:45.099Z"}, "containers": {"cna": {"title": "Git for Windows: Server-advertised bundle-uri can trigger outbound SMB callbacks via UNC and file:// paths on Windows", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-610", "lang": "en", "description": "CWE-610: Externally Controlled Reference to a Resource in Another Sphere", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/git-for-windows/git/security/advisories/GHSA-xrpg-8j9v-v282", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/git-for-windows/git/security/advisories/GHSA-xrpg-8j9v-v282"}, {"name": "https://github.com/git-for-windows/git/commit/a93524749d7806870fd2b4b00a3812da1d6e5f4a", "tags": ["x_refsource_MISC"], "url": "https://github.com/git-for-windows/git/commit/a93524749d7806870fd2b4b00a3812da1d6e5f4a"}, {"name": "https://github.com/git-for-windows/git/releases/tag/v2.55.0.windows.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/git-for-windows/git/releases/tag/v2.55.0.windows.4"}], "affected": [{"vendor": "git-for-windows", "product": "git", "versions": [{"version": "< 2.55.0.windows.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-21T20:05:45.099Z"}, "descriptions": [{"lang": "en", "value": "Git for Windows is the Windows port of Git. Prior to 2.55.0.windows.4, a malicious remote Git server can advertise a bundle URI that reaches transport_get_remote_bundle_uri(), fetch_bundle_uri_internal(), and copy_uri_to_file() in bundle-uri.c during clone or fetch when transfer.bundleuri=true. Non-HTTP(S) values are treated as local filesystem paths, and file URI prefixes are removed, so a bare UNC path or file URI targeting an attacker-controlled share causes Windows to initiate an outbound SMB connection. This can expose NTLM authentication material to the attacker-selected host. This issue is fixed in version 2.55.0.windows.4."}], "source": {"advisory": "GHSA-xrpg-8j9v-v282", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "git", "vendor": "git-for-windows", "versions": [{"status": "affected", "version": "< 2.55.0.windows.4"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Git for Windows is the Windows port of Git. Prior to 2.55.0.windows.4, a malicious remote Git server can advertise a bundle URI that reaches transport_get_remote_bundle_uri(), fetch_bundle_uri_internal(), and copy_uri_to_file() in bundle-uri.c during clone or fetch when transfer.bundleuri=true. Non-HTTP(S) values are treated as local filesystem paths, and file URI prefixes are removed, so a bare UNC path or file URI targeting an attacker-controlled share causes Windows to initiate an outbound SMB connection. This can expose NTLM authentication material to the attacker-selected host. This issue is fixed in version 2.55.0.windows.4."}], "id": "CVE-2026-62960", "lastModified": "2026-08-21T20:16:38.700", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-08-21T20:16:38.700", "references": [{"source": "[email protected]", "url": "https://github.com/git-for-windows/git/commit/a93524749d7806870fd2b4b00a3812da1d6e5f4a"}, {"source": "[email protected]", "url": "https://github.com/git-for-windows/git/releases/tag/v2.55.0.windows.4"}, {"source": "[email protected]", "url": "https://github.com/git-for-windows/git/security/advisories/GHSA-xrpg-8j9v-v282"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-610"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"created": "2026-08-21T21:45:03.267965+00:00", "updated": "2026-08-21T21:45:03.267971+00:00", "vendors": []}