{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111891","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-17T12:16:44.849Z","datePublished":"2026-10-17T18:46:15.227Z","dateUpdated":"2026-10-19T16:40:19.217Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-17T18:46:15.227Z"},"datePublic":"2026-10-03T00:00:00.000Z","title":"phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta Privilege Escalation via Group Permissions API","descriptions":[{"lang":"en","value":"phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta contains a privilege escalation vulnerability in the group permission API, whose updatePermissions and updateMembers endpoints check held rights without regard to language or category scope and write unrestricted group grants. Non-superadmin administrators holding GROUP_EDIT can grant a group a right they hold only in a narrow scope and self-join it via updateMembers, gaining unrestricted FAQ create, edit, and publish access across all languages and categories."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Privilege Management","cweId":"CWE-269","type":"CWE"}]}],"affected":[{"vendor":"thorsten","product":"phpMyFAQ","defaultStatus":"unaffected","versions":[{"version":"4.2.0-alpha.2","status":"affected","versionType":"semver","lessThan":"4.2.0-beta"},{"version":"4.2.0-beta","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2.0-alpha.2","versionEndExcluding":"4.2.0-beta"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-6vf7-mrj2-7c37","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-6vf7-mrj2-7c37)"},{"name":"VulnCheck Advisory: phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta Privilege Escalation via Group Permissions API","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/phpmyfaq-from-4.2.0-alpha.2-before-4.2.0-beta-privilege-escalation-via-group-permissions-api"}],"credits":[{"lang":"en","value":"manus-pi","type":"reporter"},{"lang":"en","value":"manus-use","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T15:35:26.238696Z","id":"CVE-2026-111891","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-19T16:40:19.217Z"}}]}}