Git up to 2.53.0(2) Bundle URI bundle-uri.c copy_uri_to_file information disclosure

Summaryinfo

A vulnerability classified as problematic was found in Git. This affects the function copy_uri_to_file of the file bundle-uri.c of the component Bundle URI. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2026-62960. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Git. It has been declared as problematic. This vulnerability affects the function copy_uri_to_file of the file bundle-uri.c of the component Bundle URI. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability was named CVE-2026-62960 since 07/15/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 2.55.0.windows.4 eliminates this vulnerability.

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Productinfo

Type

• Versioning Software

Name

• Git

Version

• 0.0.20080710
• 0.0.20090320
• 0.1.1
• 0.1.2
• 0.7.2
• 0.10.3
• 0.22.2
• 0.51.1
• 0.54.0
• 1
• 1.0.0
• 1.0.0b
• 1.0.1
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.21014.1
• 1.1.0
• 1.1.0.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.3.0
• 1.3.1
• 1.4.2.2
• 1.5.2.1
• 1.5.5.3
• 1.5.5.4
• 1.5.6.1
• 1.5.6.2
• 1.5.6.3
• 1.6.0.2
• 1.7.0
• 1.8.1.3
• 1.8.2
• 1.9.3
• 1.11.0
• 1.13.0
• 1.13.2
• 1.19.2
• 1.22.0
• 1.22.1
• 2.0
• 2.0.2
• 2.0.289
• 2.1.1
• 2.1.2
• 2.1.5
• 2.3.10
• 2.4.9
• 2.4.10
• 2.4.12
• 2.5.0
• 2.5.3
• 2.5.4
• 2.5.5
• 2.5.6
• 2.6.0
• 2.6.1
• 2.6.6
• 2.6.7
• 2.7.4
• 2.7.5
• 2.8.0
• 2.8.0-rc3
• 2.8.4
• 2.8.5
• 2.9.3
• 2.9.4
• 2.10.2
• 2.10.3
• 2.10.5
• 2.11.1
• 2.11.2
• 2.11.3
• 2.11.4
• 2.12.0
• 2.12.2
• 2.12.3
• 2.12.4
• 2.12.5
• 2.13.2
• 2.13.5
• 2.13.6
• 2.13.7
• 2.14.1
• 2.14.2
• 2.14.3
• 2.14.4
• 2.14.5
• 2.14.6
• 2.15.1
• 2.15.2
• 2.15.3
• 2.15.4
• 2.16.3
• 2.16.4
• 2.16.5
• 2.16.6
• 2.17.0
• 2.17.1
• 2.17.2
• 2.17.3
• 2.17.4
• 2.18.0
• 2.18.1
• 2.18.2
• 2.18.3
• 2.19.0
• 2.19.1
• 2.19.2
• 2.19.3
• 2.19.4
• 2.20.1
• 2.20.2
• 2.20.3
• 2.21.0
• 2.21.1
• 2.21.2
• 2.22.1
• 2.22.2
• 2.22.3
• 2.23.0
• 2.23.1
• 2.23.2
• 2.24.0
• 2.24.1
• 2.24.2
• 2.25.2
• 2.25.3
• 2.26.0
• 2.26.1
• 2.30.1
• 2.30.5
• 2.30.6
• 2.30.8
• 2.30.9
• 2.31.1-2
• 2.31.3
• 2.31.4
• 2.31.5
• 2.31.6
• 2.31.7
• 2.31.8
• 2.32.2
• 2.32.3
• 2.32.4
• 2.32.5
• 2.32.6
• 2.32.7
• 2.33.3
• 2.33.4
• 2.33.5
• 2.33.6
• 2.33.7
• 2.33.8
• 2.34.3
• 2.34.4
• 2.34.5
• 2.34.6
• 2.34.7
• 2.34.8
• 2.35.3
• 2.35.4
• 2.35.5
• 2.35.6
• 2.35.7
• 2.35.8
• 2.36.1
• 2.36.2
• 2.36.3
• 2.36.4
• 2.36.5
• 2.36.6
• 2.37.0
• 2.37.1
• 2.37.3
• 2.37.4
• 2.37.5
• 2.37.6
• 2.37.7
• 2.38.3
• 2.38.4
• 2.38.5
• 2.39.1
• 2.39.2
• 2.39.3
• 2.40.0
• 2.40.1
• 2.40.4
• 2.41.2
• 2.41.3
• 2.42.3
• 2.42.4
• 2.43.5
• 2.43.6
• 2.43.7
• 2.44.2
• 2.44.3
• 2.44.4
• 2.45.2
• 2.45.3
• 2.45.4
• 2.46.2
• 2.46.3
• 2.46.4
• 2.47.0
• 2.47.1
• 2.47.2
• 2.47.3
• 2.48.0
• 2.48.1
• 2.48.2
• 2.49.0
• 2.49.1
• 2.50.0
• 2.50.1
• 2.53.0(2)

License

• open-source

CPE 2.3info

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CPE 2.2info

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CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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