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CVE

CVE-2026-20736

Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachmen

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.

HIGH · CVSS 7.5 EPSS 0.00017
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

Affected Products & Versions

1
gitea< 1.25.4
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go code.gitea.io/gitea LOW fixed in 1.25.4
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · 88ee5874-cf24-4952-aea0-31affedb7ff2
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Jan 2026 · 10:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://blog.gitea.com/release-of-1.25.4/Release Notes
https://github.com/go-gitea/gitea/pull/36320Issue TrackingPatch
https://github.com/go-gitea/gitea/releases/tag/v1.25.4Release Notes
https://github.com/go-gitea/gitea/security/advisories/GHSA-jr6h-pwwp-c8g6Broken Link
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