What is CVE-2026-58433?

CVE-2026-58433 is a critical-severity vulnerability in Gitea Open Source Git Server, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-08-13.

How severe is CVE-2026-58433?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Gitea Open Source Git Server

CVE-2026-58433

Team-repository linking endpoint bypasses the RepoAdminChangeTeamAccess organization setting

Vulnerability class: Broken Access Control

Published 2026-08-13 · last modified 2026-08-26.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.0th percentile), scored 2026-09-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Gitea Open Source Git Server — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2026-58433?: CVE-2026-58433 is a critical-severity vulnerability in Gitea Open Source Git Server, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-08-13.
How severe is CVE-2026-58433?: Critical severity. CVSS v3 base score is 9.1 out of 10.