CVE-2026-25934: GO-2026-4473 - Improper verification of data integrity values for .idx and .pack files in github.com/go-git/go-git

CVE-2026-25934 · Severity: low · CVSS 3.1 · Published 2026-02-19

Improper verification of data integrity values for .idx and .pack files in github.com/go-git/go-git

Technologies: github.com/go-git/go-git (Go), github.com/go-git/go-git/v4 (Go), github.com/go-git/go-git/v5 (Go). Vendors: Go.

Quick answers

Is CVE-2026-25934 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-25934 being exploited in the wild.
How severe is CVE-2026-25934?
Low severity, with a CVSS score of 3.1, published 19 February 2026.
Which products and versions are affected?
github.com/go-git/go-git (Go) SEMVER:introduced=0; github.com/go-git/go-git/v4 (Go) SEMVER:introduced=0; github.com/go-git/go-git/v5 (Go) SEMVER:introduced=0,fixed=5.16.5.
Is there a fix for CVE-2026-25934?
Yes. github.com/go-git/go-git/v5 (Go): upgrade to 5.16.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-25934?
Check whether you run github.com/go-git/go-git (Go), github.com/go-git/go-git/v4 (Go) or github.com/go-git/go-git/v5 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/go-git/go-git/v5 (Go): upgrade to 5.16.5 or later
    go get github.com/go-git/go-git/v5@v5.16.5

Affected products

  • github.com/go-git/go-git (Go) SEMVER:introduced=0
  • github.com/go-git/go-git/v4 (Go) SEMVER:introduced=0
  • github.com/go-git/go-git/v5 (Go) SEMVER:introduced=0,fixed=5.16.5

Identifiers

  • CVE-2026-25934
  • GHSA-37cx-329c-33x3
  • GO-2026-4473

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