{"id":"CVE-2026-69091","state":"PUBLISHED","title":"Admidio before 5.0.11 Authentication Bypass via forum.php","description":"Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only configuration state, allowing unauthenticated attackers to read forum topics and posts by directly accessing the module with read-only parameters.","publishedAt":"2026-08-03T13:20:44.998Z","updatedAt":"2026-08-03T15:36:54.842Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Admidio admidio"],"affected":[{"vendor":"Admidio","product":"admidio","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.0.11","versionType":"semver"},{"version":"5.0.11","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/Admidio/admidio/security/advisories/GHSA-cf48-6jrq-gjcm","https://www.vulncheck.com/advisories/admidio-before-authentication-bypass-via-forum-php"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/69xxx/CVE-2026-69091.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-69091","state":"PUBLISHED","datePublished":"2026-08-03T13:20:44.998Z","dateUpdated":"2026-08-03T15:36:54.842Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-03T10:42:57.737Z"},"containers":{"cna":{"title":"Admidio before 5.0.11 Authentication Bypass via forum.php","descriptions":[{"lang":"en","value":"Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only configuration state, allowing unauthenticated attackers to read forum topics and posts by directly accessing the module with read-only parameters."}],"affected":[{"vendor":"Admidio","product":"admidio","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.0.11","versionType":"semver"},{"version":"5.0.11","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/Admidio/admidio/security/advisories/GHSA-cf48-6jrq-gjcm","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-cf48-6jrq-gjcm)"},{"url":"https://www.vulncheck.com/advisories/admidio-before-authentication-bypass-via-forum-php","name":"VulnCheck Advisory: Admidio before 5.0.11 Authentication Bypass via forum.php","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-08-03T13:20:44.998Z"},"datePublic":"2026-07-20T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:admidio:admidio:*:*:*:*:*:*:*:*","versionEndExcluding":"5.0.11"}]}]}],"credits":[{"lang":"en","value":"nuiifornet","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-03T15:00:17.309850Z","id":"CVE-2026-69091","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-03T15:36:54.842Z"}}]}}}