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.
Metrics
Affected Vendors & Products
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Advisories
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Fixes
Solution
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Workaround
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References
History
Fri, 23 Jan 2026 08:00:00 +0900
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check | |
| Weaknesses | CWE-284 | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: Gitea
Published:
Updated: 2026-01-22T22:01:49.678Z
Reserved: 2026-01-08T23:02:37.558Z
Link: CVE-2026-20736
Vulnrichment
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NVD
Status : Received
Published: 2026-01-22T22:16:17.207
Modified: 2026-01-22T22:16:17.207
Link: CVE-2026-20736
Redhat
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OpenCVE Enrichment
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Weaknesses