Gitea does not properly validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users.
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 validate repository ownership when linking attachments to releases. An attachment uploaded to a private repository could potentially be linked to a release in a different public repository, making it accessible to unauthorized users. | |
| Title | Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure | |
| Weaknesses | CWE-284 CWE-639 |
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| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: Gitea
Published:
Updated: 2026-01-22T22:01:52.026Z
Reserved: 2026-01-08T23:02:37.548Z
Link: CVE-2026-20912
Vulnrichment
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NVD
Status : Received
Published: 2026-01-22T22:16:19.297
Modified: 2026-01-22T22:16:19.297
Link: CVE-2026-20912
Redhat
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OpenCVE Enrichment
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