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CVE-2026-27771

HighPublished

Gitea Composer package source links use insufficient permission checks

Published: Jul 3, 2026
Updated: Jul 7, 2026
Assigning CNA: Gitea
Evidence observed: Aug 8, 2026

Primary CVSS

8.2/ 10High

nvd · CVSS 3.0

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

EPSS probability estimate

1.4%

Low · next 30 days

Percentile: 70.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2026-27771Exploit
CVE-2026-27771 - Gitea/Forgejo Container Registry Auth Bypass Exploit PoC - Pull private container images without authentication

Responsible use

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