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CVE

CVE-2026-20800

Gitea's notification API does not re-validate repository access permissions when returning notification details. After a

Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.

MEDIUM · CVSS 6.5 EPSS 0.00018
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

1
gitea< 1.25.4
▤

Affected Packages

2
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 fixed in 1.25.4
Go github.com/go-gitea/gitea LOW fixed in 1.25.4
▣

Scoring & Timeline

6.5
MEDIUM · 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:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
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/36339Issue TrackingPatch
https://github.com/go-gitea/gitea/releases/tag/v1.25.4Release Notes
https://github.com/go-gitea/gitea/security/advisories/GHSA-g54m-9f6g-wj7qBroken Link
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