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  4. CVE 2026 62960 git for windows server advertised bundle uri can
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Back to active CVEs
High · CVSS 7.4CVE-2026-62960

Git for Windows: Server-advertised bundle-uri can trigger outbound SMB callbacks via UNC and file:// paths on WindowsCVE-2026-62960

Answer in brief

CVE-2026-62960 records a High severity (CVSS 7.4) vulnerability in Git for Windows: Server-advertised bundle-uri can trigger outbound SMB callbacks via UNC and file:// paths on Windows. The current sources do not mark it as known exploited. The current feed maps git-for-windows/git (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 21, 2026Updated Sep 25, 2026Source checked Oct 5, 2026First seen by HOL Aug 21, 2026Material review Sep 25, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps git-for-windows/git (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
git-for-windows/gitgeneric<2.55.0.windows.42.55.0.windows.4

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for git-for-windows/git.
  2. 2Review the reported fix. Update git-for-windows/git to 2.55.0.windows.4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 25, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 21, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Penpot: Share-link page-scope escape — comment RPCs leak comment content, author identity, and all page-ids for pages outside the share scopeAlso CWE-200
  • Docling: Crafted DoclingDocument JSON embeds local image files into converted outputAlso CWE-200
  • Newell Brands DYMO ID document parsing failing file type extension authentication checkSame generic ecosystem
  • Newell Brands DYMO ID parent directory open to path traversal through improper spheres of controlSame generic ecosystem
  • Bake filesystem entitlement consent is skipped for certain secret and oci-layout definitionsSame generic ecosystem
  • Improper validation of Ops Manager configuration in MongoDB Kubernetes OperatorSame generic ecosystem

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-200, CWE-610
Source
CVE List V5
Source checked
Oct 5, 2026
References
3 linked sources
Open source record