CVE-2026-20736

{"id": "CVE-2026-20736", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-01-22T22:16:17.207", "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/36320", "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-jr6h-pwwp-c8g6", "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-284"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-01-29T21:46:59.497", "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"}