Vulnerability in Gitea Open Source Git Server
CVE-2026-58440
Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content (incomplete revocation cleanup in `DeleteCollaboration`)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Gitea Open Source Git Server — versions 0
Weakness classification (CWE)
References
- 88ee5874-cf24-4952-aea0-31affedb7ff2 (vendor-advisory)
- 88ee5874-cf24-4952-aea0-31affedb7ff2 (release-notes)
- 88ee5874-cf24-4952-aea0-31affedb7ff2 (release-notes)
Frequently asked questions
- What is CVE-2026-58440?
- CVE-2026-58440 is a medium-severity vulnerability in Gitea Open Source Git Server, classified under Improper Access Control. CVSS score: 6.8/10. Published 2026-08-13.
- How severe is CVE-2026-58440?
- Medium severity. CVSS v3 base score is 6.8 out of 10.