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CVE

CVE-2026-20912

Gitea does not properly validate repository ownership when linking attachments to releases
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CVE

CVE-2026-20912

Gitea does not properly validate repository ownership when linking attachments to releases

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
0
-
C
H
U
9.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Related Resources

No items found.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-20912, https://github.com/go-gitea/gitea/pull/36320, https://github.com/go-gitea/gitea/pull/36355, https://github.com/go-gitea/gitea/commit/fbea2c68e8df11cfa94e8ead913b79946780ed30, https://blog.gitea.com/release-of-1.25.4, https://github.com/go-gitea/gitea, https://github.com/go-gitea/gitea/releases/tag/v1.25.4

Severity

9.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
9.1
EPSS Probability
0.00014%
EPSS Percentile
0.02306%
Introduced Version
0,v1.26.0-dev,v1.15.0-rc1,v0.0.0-20210608233354-1bfb0a24d843,v1.13.0-rc1,v0.0.0-20201005054933-cda44750cbdc,v1.1.0,v0.0.0-20170120065846-1610b9f54798,v0.0.0-20170115145700-64375d875b4d,v0.9.99,v0.0.0-20150811152440-34f6cbfc2a13,v0.0.0-20150811095400-89c2bd4a0dd8
Fix Available
1.25.4,v1.25.4,v0.0.0-20260112081659-fbea2c68e8df

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