{"id":"CVE-2026-62960","summary":"Git for Windows: Server-advertised bundle-uri can trigger outbound SMB callbacks via UNC and file:// paths on Windows","details":"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.","aliases":["GHSA-xrpg-8j9v-v282"],"modified":"2026-08-24T03:59:09.226213Z","published":"2026-08-21T20:05:45.099Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-200","CWE-610"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/62xxx/CVE-2026-62960.json"},"references":[{"type":"WEB","url":"https://github.com/git-for-windows/git/releases/tag/v2.55.0.windows.4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/62xxx/CVE-2026-62960.json"},{"type":"ADVISORY","url":"https://github.com/git-for-windows/git/security/advisories/GHSA-xrpg-8j9v-v282"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62960"},{"type":"FIX","url":"https://github.com/git-for-windows/git/commit/a93524749d7806870fd2b4b00a3812da1d6e5f4a"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/git-for-windows/git","events":[{"introduced":"0"},{"fixed":"a93524749d7806870fd2b4b00a3812da1d6e5f4a"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.55.0.windows.4"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v2.55.0.windows.3","v2.55.0.windows.2","v2.55.0.windows.1","v2.41.0-rc0","v2.30.0-rc2","v2.27.0-rc1","v2.21.0","v2.22.0-rc0","v2.15.0","v2.17.0","v2.18.0","v2.19.0","v2.19.0-rc2","v2.19.0-rc1","v2.19.0-rc0","v2.18.0-rc2","v2.18.0-rc1","v2.18.0-rc0","v2.17.0-rc2","v2.17.0-rc1","v2.17.0-rc0","v2.16.0-rc0","v2.16.0","v2.16.0-rc1","v2.16.0-rc2","v2.15.0-rc2","v2.15.0-rc1","v2.15.0-rc0","v2.14.0","v2.14.0-rc1","v2.11.0","v2.12.0","v2.13.0","v2.14.0-rc0","v2.13.0-rc2","v2.13.0-rc1","v2.13.0-rc0","v2.10.0","v2.12.0-rc2","v2.12.0-rc1","v2.12.0-rc0","v2.11.0-rc3","v2.9.0","v2.11.0-rc2","v2.11.0-rc1","v2.11.0-rc0","v2.10.0-rc2","v2.10.0-rc1","v2.10.0-rc0","v2.7.0","v2.9.0-rc2","v2.8.0","v2.9.0-rc1","v2.9.0-rc0","v2.8.0-rc4","v2.8.0-rc1","v2.8.0-rc3","v2.8.0-rc2","v2.8.0-rc0","v2.6.0","v2.7.0-rc3","v2.4.0","v2.7.0-rc1","v2.7.0-rc2","v2.0.0","v2.7.0-rc0","v2.6.0-rc1","v2.6.0-rc3","v2.6.0-rc2","v2.5.0","v2.6.0-rc0","v2.2.0","v2.5.0-rc3","v2.5.0-rc0","v2.5.0-rc2","v2.5.0-rc1","v2.4.0-rc0","v2.4.0-rc3","v2.4.0-rc2","v2.4.0-rc1","v2.3.0","v2.3.0-rc2","v2.3.0-rc1","v2.3.0-rc0","v1.8.5","v2.2.0-rc1","v2.2.0-rc3","v2.2.0-rc2","v2.1.0","v2.2.0-rc0","v2.1.0-rc2","v2.1.0-rc1","v2.1.0-rc0","v1.9.0","v2.0.0-rc2","v2.0.0-rc4","v2.0.0-rc3","v2.0.0-rc1","v2.0.0-rc0","v1.9-rc0","v1.9.0-rc3","v1.9-rc2","v1.9-rc1","v1.8.5-rc3","v1.8.5-rc2","v1.8.5-rc0","v1.8.5-rc1","v1.8.4","v1.8.3","v1.8.4-rc4","v1.8.4-rc3","v1.8.4-rc2","v1.8.4-rc1","v1.8.4-rc0","v1.8.2","v1.8.1","v1.7.11","v1.8.3-rc0","v1.8.3-rc3","v1.8.3-rc2","v1.8.3-rc1","v1.8.2-rc3","v1.8.2-rc2","v1.8.2-rc1","v1.8.2-rc0","v1.8.0","v1.8.1-rc2","v1.8.1-rc3","v1.7.12","v1.7.9","v1.8.1-rc1","v1.8.1-rc0","v1.8.0-rc3","v1.8.0-rc2","v1.8.0-rc1","v1.8.0-rc0","v1.7.3","v1.7.12-rc3","v1.7.12-rc2","v1.7.11-rc1","v1.7.12-rc1","v1.7.12-rc0","v1.7.11-rc3","v1.7.11-rc0","v1.7.11-rc2","v1.7.10","v1.7.8","v1.7.10-rc3","v1.7.10-rc4","v1.7.10-rc2","v1.7.10-rc1","v1.7.10-rc0","v1.7.7","v1.7.9-rc2","v1.7.9-rc1","v1.7.9-rc0","v1.7.4","v1.7.5","v1.7.8-rc2","v1.7.8-rc4","v1.7.8-rc3","v1.7.0","v1.7.8-rc1","v1.7.6","v1.7.8-rc0","v1.7.7-rc1","v1.7.7-rc3","v1.7.7-rc2","v1.7.7-rc0","v1.6.0","v1.7.6-rc3","v1.7.6-rc2","v1.7.2-rc1","v1.7.6-rc1","v1.7.6-rc0","v1.6.6","v1.7.5-rc3","v1.7.5-rc2","v1.7.5-rc1","v1.7.5-rc0","v1.7.4-rc1","v1.7.4-rc3","v1.7.4-rc2","v1.7.4-rc0","v1.7.1","v1.7.3.1","v1.7.3-rc2","v1.7.3-rc1","v1.7.3-rc0","v1.7.2","v1.7.2-rc3","v1.7.2-rc2","v1.7.2-rc0","v1.7.1-rc2","v1.7.1-rc1","v1.7.1-rc0","v1.7.0-rc2","v1.6.3","v1.6.5","v1.7.0-rc1","v1.7.0-rc0","v1.6.6-rc1","v1.6.1-rc1","v1.6.6-rc4","v1.6.6-rc3","v1.6.6-rc2","v1.6.6-rc0","v1.6.5-rc3","v1.6.5-rc2","v1.6.5-rc1","v1.6.5-rc0","v1.6.4","v1.6.4-rc3","v1.6.4-rc2","v1.6.4-rc1","v1.6.4-rc0","v1.6.2","v1.6.3-rc4","v1.6.3-rc2","v1.6.3-rc1","v1.6.3-rc0","v1.6.3-rc3","v1.6.1","v1.6.2-rc2","v1.6.2-rc1","v1.6.2-rc0","v1.6.1-rc4","v1.6.1-rc3","v1.6.1-rc2","v1.6.0-rc3","v1.6.0-rc2","v1.6.0-rc1","v1.6.0-rc0","v1.5.6","v1.5.6-rc3","v1.5.6-rc2","v1.5.6-rc1","v1.5.6-rc0","v1.5.5","v1.5.5-rc3","v1.5.5-rc2","v1.5.5-rc1","v1.5.5-rc0","v1.5.4","v1.5.4-rc5","v1.5.4-rc4","v1.5.4-rc3","v1.5.4-rc2","v1.5.4-rc1","v1.5.4-rc0","v1.5.3.1","v1.5.3","v1.5.3-rc7","v1.5.3-rc6","v1.5.3-rc5","v1.5.3-rc4","v1.5.3-rc3","v1.5.3-rc2","v1.5.3-rc1","v1.5.3-rc0","v1.5.2","v1.5.2-rc3","v1.5.2-rc2","v1.5.2-rc1","v1.5.2-rc0","v1.5.1","v1.5.1-rc3","v1.5.1-rc2","v1.5.1-rc1","v1.5.0","v1.5.0-rc4","v1.5.0-rc2","v1.5.0-rc3","v1.5.0-rc1","v1.5.0-rc0","v1.4.4.1","v1.4.4","v1.4.4-rc2","v1.4.4-rc1","v1.4.3","v1.4.3-rc3","v1.4.3-rc2","v1.4.3-rc1","v1.4.2","v1.4.2-rc4","v1.4.2-rc3","v1.4.2-rc2","v1.4.2-rc1","v1.4.1","v1.4.1-rc2","v1.4.1-rc1","v1.3.0-rc1","v1.2.0","v1.1.0","v1.0.0","v1.0rc6","v0.99.9n","v1.0rc5","v0.99.9m","v1.0rc4","v0.99.9l","v0.99.9k","v1.0rc3","v0.99.9j","v1.0rc2","v0.99.9i","v1.0rc1","v0.99.9h","v0.99.9g","v0.99.9f","v0.99.9e","v0.99.9d","v0.99.9c",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