What is CVE-2026-25934?

CVE-2026-25934 is a medium-severity vulnerability in Go-git, classified under Improper Validation of Integrity Check Value. CVSS score: 4.3/10. Published 2026-02-09.

How severe is CVE-2026-25934?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Go-git

CVE-2026-25934

go-git is a highly extensible git implementation library written in pure Go. Prior to 5.16.5, a vulnerability was discovered in go-git whereby data integrity values for .pack and .idx files were not properly verified. This resulted in go-g…

EPSS: 0.001 (3.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Go-git — versions < 5.16.5
Go-git_project Go-git

Weakness classification (CWE)

CWE-354 — Improper Validation of Integrity Check Value

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-25934?: CVE-2026-25934 is a medium-severity vulnerability in Go-git, classified under Improper Validation of Integrity Check Value. CVSS score: 4.3/10. Published 2026-02-09.
How severe is CVE-2026-25934?: Medium severity. CVSS v3 base score is 4.3 out of 10.