CVE-2026-20800
Notification API Leaks Private Repository Issue Titles After Collaborator Permission Revocation
MEDIUM 6.5
At a glance
- Source
- NVD
- EPSS
- EPSS 0.41 % · percentile 35 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Gitea
- NVD status
- Analyzed
Description
Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.
Weaknesses (CWE)
- CWE-200 — Exposure of Sensitive Information to an Unauthorized Actor
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Advisories
- GHSA-2vgv-hgv4-22mh — Gitea improperly exposes issue and pull request titles
- GO-2026-4362 — Gitea improperly exposes issue and pull request titles in code.gitea.io/gitea
European references
- ENISA EUVD · EUVD-2026-4268
- GCVE · GCVE-0-2026-20800
Affected configurations (NVD CPE)
cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*< 1.25.4
Affected products
| Product | Versions |
|---|---|
| Gitea · Gitea Open Source Git Server | affected 0 ≤ 1.25.3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |