CVE-2026-27771
Gitea Composer package source links use insufficient permission checks
Vexday Risk Score
68High priority
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Functional exploit
Popular PoC on GitHub (18 stars) — exploitation code widely available.
CVSS 8.2EPSS 40.7%KEV nãoPoC públicaNuclei simMetasploit —Patch referenciado
Lifecycle
27 May 2026Public PoC
03 Jul 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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
Affected products
Gitea · Gitea Open Source Git Serverpublic PoCs found — 2
githubgithub.com/portbuster1337/CVE-2026-27771★ 18githubgithub.com/HORKimhab/CVE-2026-27771★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.