What is CVE-2026-45022?

CVE-2026-45022 is a high-severity vulnerability in Go-git, classified under CWE-180. CVSS score: 7.5/10. Published 2026-05-27.

How severe is CVE-2026-45022?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Go-git

CVE-2026-45022

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.0 and 6.0.0-alpha.3, go-git may parse malformed Git objects in a way that differs from upstream Git. When commit or tag objects contain ambiguous or malfo…

EPSS: 0.000 (0.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Go-git — versions < 5.19.0, >= 6.0.0-alpha.1, < 6.0.0-alpha.3
Go-git_project Go-git — versions 6.0.0

Weakness classification (CWE)

CWE-180
CWE-345 — Insufficient Verification of Data Authenticity

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-45022?: CVE-2026-45022 is a high-severity vulnerability in Go-git, classified under CWE-180. CVSS score: 7.5/10. Published 2026-05-27.
How severe is CVE-2026-45022?: High severity. CVSS v3 base score is 7.5 out of 10.