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CVE-2026-45571

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.1 and 6.0.0-alpha.4, a…

CVSS 3.1 · [email protected] · Secondary 5.4 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 25 Oct 2026 10:17:33 UTC. Read the latest advisory.

nvd · CVE-2026-45571

Published

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.1 and 6.0.0-alpha.4, a path validation issue in go-git could allow crafted repository data to affect files outside the intended checkout target, including the repository's .git directory. These validations were introduced in upstream Git years ago, so the vulnerability arose from go-git drifting from those checks. This vulnerability is fixed in 5.19.1 and 6.0.0-alpha.4.

Read the publisher's advisory

Affected versions, risk and source history

nvd · CVE-2026-45571

Published

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.1 and 6.0.0-alpha.4, a path validation issue in go-git could allow crafted repository data to affect files outside the intended checkout target, including …

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.1 and 6.0.0-alpha.4, a path validation issue in go-git could allow crafted repository data to affect files outside the intended checkout target, including the repository's .git directory. These validations were introduced in upstream Git years ago, so the vulnerability arose from go-git drifting from those checks. This vulnerability is fixed in 5.19.1 and 6.0.0-alpha.4.

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-22

Original publisher date fields

published: 2026-05-27T15:16:30.387

lastModified: 2026-06-17T10:52:13.300

4 source CPE criteria · context only
  • cpe:2.3:a:go-git_project:go-git:*:*:*:*:*:go:*:*
  • cpe:2.3:a:go-git_project:go-git:6.0.0:alpha1:*:*:*:go:*:*
  • cpe:2.3:a:go-git_project:go-git:6.0.0:alpha2:*:*:*:go:*:*
  • cpe:2.3:a:go-git_project:go-git:6.0.0:alpha3:*:*:*:go:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published
27 May 2026 15:16:30 UTC
Source modified
17 Jun 2026 10:52:13 UTC
Saved here
25 Oct 2026 10:17:33 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · [email protected] · Secondary · 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

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Sources read 15 Nov 23:13 UTC · 274 of 275 readable · 250 fully read · 18 waiting for GitHub's hourly limit · documentation 461/469 current

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