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Vulnerability record · CVE-2026-27771 · published 3 July 2026

CVE-2026-27771: Missing authorization vulnerability

Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.

8.2 CVSS 3.0 High EPSS 1.4% · top 28.7% CWE-862 · Missing authorization Deferred
8.2CVSS 3.0 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
7 Jul 2026Last modified by NVD

Description

Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References

LinkTags
https://blog.gitea.com/release-of-1.26.2/
https://github.com/go-gitea/gitea/pull/37610
https://github.com/go-gitea/gitea/releases/tag/v1.26.2
https://github.com/go-gitea/gitea/security/advisories/GHSA-8qw8-rq86-9pc2

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Source: NIST National Vulnerability Database (record CVE-2026-27771), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.