Paper/Archive/CVE-2026-20750

CVE-2026-20750

Gitea Gitea Open Source Git Server — Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)

EPSS 0.4%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (ADP, CNA agree)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 37.2.372 × 207.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Gitea Open Source Git Server≤ 1.25.3–CNA

OpenShift Pipelinessee advisory–redhat-SADP

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

redhat-SADP (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorygithub.com/go-gitea/gitea/security/advisories/GHSA-h4fh-pc4w-8w27 patchgithub.com/go-gitea/gitea/pull/36318 patchgithub.com/go-gitea/gitea/pull/36373 refgithub.com/go-gitea/gitea/releases/tag/v1.25.4 refblog.gitea.com/release-of-1.25.4 refaccess.redhat.com/security/cve/CVE-2026-20750 refbugzilla.redhat.com/show_bug.cgi?id=2432216 refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20750.json