CVE-2026-20736

low

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.

References

https://github.com/go-gitea/gitea/security/advisories/GHSA-jr6h-pwwp-c8g6

https://github.com/go-gitea/gitea/releases/tag/v1.25.4

https://github.com/go-gitea/gitea/pull/36320

https://blog.gitea.com/release-of-1.25.4/

Details

Source: Mitre, NVD

Published: 2026-01-22

Updated: 2026-01-26

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

CVSS v4

Base Score: 2.3

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Severity: Low

EPSS

EPSS: 0.00016