What is CVE-2026-58423?

CVE-2026-58423 is a high-severity vulnerability in Gitea Open Source Git Server, classified under Improper Authentication. CVSS score: 7.7/10. Published 2026-07-03.

How severe is CVE-2026-58423?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Gitea Open Source Git Server

CVE-2026-58423

LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories

Vulnerability class: Broken Authentication

Published 2026-07-03 · last modified 2026-07-06.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.3th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Gitea Open Source Git Server — versions 1.23.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

88ee5874-cf24-4952-aea0-31affedb7ff2 (release-notes)
88ee5874-cf24-4952-aea0-31affedb7ff2 (patch)
88ee5874-cf24-4952-aea0-31affedb7ff2 (release-notes)
88ee5874-cf24-4952-aea0-31affedb7ff2 (vendor-advisory)

Frequently asked questions

What is CVE-2026-58423?: CVE-2026-58423 is a high-severity vulnerability in Gitea Open Source Git Server, classified under Improper Authentication. CVSS score: 7.7/10. Published 2026-07-03.
How severe is CVE-2026-58423?: High severity. CVSS v3 base score is 7.7 out of 10.