VulnerabilityModified
CVE-2026-20736
Gitea does not properly verify repository context when deleting attachments.
HIGH 7.5EPSS 0.41%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.41% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- gitea/gitea
- Source
- 88ee5874-cf24-4952-aea0-31affedb7ff2
References
- https://blog.gitea.com/release-of-1.25.4/Release Notes
- https://github.com/go-gitea/gitea/pull/36320Issue Tracking, Patch
- https://github.com/go-gitea/gitea/releases/tag/v1.25.4Release Notes
- https://github.com/go-gitea/gitea/security/advisories/GHSA-jr6h-pwwp-c8g6Broken Link
- https://access.redhat.com/security/cve/CVE-2026-20736
- https://bugzilla.redhat.com/show_bug.cgi?id=2432205
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20736.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.