CVE-2026-20800

{"id": "CVE-2026-20800", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2026-01-22T22:16:17.540", "references": [{"url": "https://blog.gitea.com/release-of-1.25.4/", "tags": ["Release Notes"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/pull/36339", "tags": ["Issue Tracking", "Patch"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4", "tags": ["Release Notes"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}, {"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-g54m-9f6g-wj7q", "tags": ["Broken Link"], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-01-29T21:57:04.013", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*", "vulnerable": true, "matchCriteriaId": "DFCB7D74-331D-4582-AB41-113A25BE8FAA", "versionEndExcluding": "1.25.4"}], "operator": "OR"}]}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2"}