What is CVE-2026-27783?

CVE-2026-27783 is a medium-severity vulnerability in Gitea Open Source Git Server, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-07-03.

How severe is CVE-2026-27783?

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

Auth bypass in Gitea Open Source Git Server

CVE-2026-27783

Gitea versions up to and including 1.26.1 do not enforce repository-unit authorization on issue-template API endpoints.

Vulnerability class: Broken Access Control

CVSS v3 metric

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

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

Frequently asked questions

What is CVE-2026-27783?: CVE-2026-27783 is a medium-severity vulnerability in Gitea Open Source Git Server, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-07-03.
How severe is CVE-2026-27783?: Medium severity. CVSS v3 base score is 4.3 out of 10.