CVE-2026-20750criticalCWE-284

CVE-2026-20750: critical vulnerability in Gitea Open Source Git Server

Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)

Published · Updated

Follow this CVE+ Monitor Gitea Open Source Git Server+ Monitor code.gitea.io/gitea

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.1epss 0.4%
Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Gitea · Gitea Open Source Git Server
Related CVEs — Gitea Open Source Git Server

In the same product, most dangerous first.

CVE-2024-6886CRITICALInproper Sanitation of field leading to stored XSSEPSS 33.0%CVE-2026-20896CRITICALGitea Docker image trusts spoofable reverse-proxy headers by defaultEPSS 2.8%CVE-2026-27771HIGHGitea Composer package source links use insufficient permission checksEPSS 1.4%CVE-2026-27775HIGHGitea pre-receive hook permission cache allows full repository write accessEPSS 0.9%CVE-2026-56654CRITICALPrivilege Escalation via Access Token Scope Escalation in APIEPSS 0.8%CVE-2026-26292CRITICALGitea LFS mirror synchronization bypasses migration HTTP transport restrictionsEPSS 0.7%