High 7.5Published Jan 22, 2026

CVE-2026-20736Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check

Updated under an hour ago (Oct 26, 2026, 11:30 PM ET)

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It affects Gitea Open Source Git Server and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Gitea Open Source Git Server

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Gitea
NVD analysis: Modified
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Gitea Gitea Open Source Git Server gitea:open_source_git_server (from the name)	through 1.25.3	CNA record
Red Hat OpenShift Pipelines redhat:openshift_pipelines	1	CISA ADP
gitea gitea gitea:gitea	before 1.25.4	NVD

References

References

https://github.com/go-gitea/gitea/security/advisories/GHSA-jr6h-pwwp-c8g6	vendor-advisory, broken-link
https://github.com/go-gitea/gitea/pull/36320	patch, issue-tracking
https://github.com/go-gitea/gitea/releases/tag/v1.25.4	release-notes
https://blog.gitea.com/release-of-1.25.4/	release-notes
https://access.redhat.com/security/cve/CVE-2026-20736
https://bugzilla.redhat.com/show_bug.cgi?id=2432205
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20736.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.