CVE-2026-42562

{"id": "CVE-2026-42562", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.5, "exploitabilityScore": 2.8}]}, "published": "2026-05-09T20:16:28.933", "references": [{"url": "https://github.com/alextselegidis/plainpad/commit/9216a876d27b22c3d9259551636d803f7cb075fc", "source": "security-advisories@github.com"}, {"url": "https://github.com/alextselegidis/plainpad/issues/138", "source": "security-advisories@github.com"}, {"url": "https://github.com/alextselegidis/plainpad/releases/tag/1.1.1", "source": "security-advisories@github.com"}, {"url": "https://github.com/alextselegidis/plainpad/security/advisories/GHSA-pvfv-wvpm-q6f6", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-269"}]}], "descriptions": [{"lang": "en", "value": "Plainpad is a self hosted note taking app. Prior to version 1.1.1, Plainpad allows a low-privilege authenticated user to self-escalate to administrator by submitting admin=true in PUT /api.php/v1/users/{id}. The endpoint directly persists the admin attribute from user input, and the escalated account can immediately access admin-only routes. This issue has been patched in version 1.1.1."}], "lastModified": "2026-05-13T15:23:57.230", "sourceIdentifier": "security-advisories@github.com"}