{"id":"CVE-2026-33698","state":"PUBLISHED","title":"Chamilo LMS affected by unauthenticated RCE in main/install folder","description":"Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code from the main/install/ directory and allow an unauthenticated attacker to modify existing files or create new files where allowed by system permissions. This only affects portals with the main/install/ directory still present and read-accessible. This vulnerability is fixed in 1.11.38.","publishedAt":"2026-04-10T18:14:17.424Z","updatedAt":"2026-04-15T15:00:31.550Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["chamilo chamilo-lms"],"affected":[{"vendor":"chamilo","product":"chamilo-lms","versions":[{"version":"< 1.11.38","status":"affected"}]}],"references":["https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-557g-2w66-gpmf","https://github.com/chamilo/chamilo-lms/commit/d3355d7873c7e5b907c5fa84cbd5d9b62ed33e51"],"weaknesses":["CWE-552"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33698.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33698","state":"PUBLISHED","datePublished":"2026-04-10T18:14:17.424Z","dateUpdated":"2026-04-15T15:00:31.550Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-23T17:06:05.746Z"},"containers":{"cna":{"title":"Chamilo LMS affected by unauthenticated RCE in main/install folder","descriptions":[{"lang":"en","value":"Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code from the main/install/ directory and allow an unauthenticated attacker to modify existing files or create new files where allowed by system permissions. This only affects portals with the main/install/ directory still present and read-accessible. This vulnerability is fixed in 1.11.38."}],"affected":[{"vendor":"chamilo","product":"chamilo-lms","versions":[{"version":"< 1.11.38","status":"affected"}]}],"references":[{"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-557g-2w66-gpmf","name":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-557g-2w66-gpmf","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/d3355d7873c7e5b907c5fa84cbd5d9b62ed33e51","name":"https://github.com/chamilo/chamilo-lms/commit/d3355d7873c7e5b907c5fa84cbd5d9b62ed33e51","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-552","lang":"en","description":"CWE-552: Files or Directories Accessible to External Parties","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-10T18:14:17.424Z"},"source":{"advisory":"GHSA-557g-2w66-gpmf","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-15T14:58:47.855787Z","id":"CVE-2026-33698","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-15T15:00:31.550Z"}}]}}}