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OpenAdvisories
High · 7.5 CVE-2026-20736 BIT-gitea-2026-20736EUVD-2026-4269GHSA-hgr3-x44x-33hxGHSA-jr6h-pwwp-c8g6GO-2026-4367

Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check

Published Jan 22, 2026 · Updated Jul 15, 2026 · Assigned by Gitea

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.

Affected products

VendorProductAffectedFixed
Gitea Gitea Open Source Git Server ≤ 1.25.3 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1
openSUSE Leap 15.6 govulncheck-vulndb 0.0.20260205T172317-150000.1.146.1 SUSE-SU-2026:0403-1

Affected packages

EcosystemPackageAffectedFixedRecord
Go code.gitea.io/gitea < 1.25.4 1.25.4 GHSA-hgr3-x44x-33hx

Advisories 3

References