{"id":"CVE-2026-32931","state":"PUBLISHED","title":"Chamilo LMS has Arbitrary File Upload via MIME-Only Validation in Exercise Sound Upload Leads to RCE","description":"Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an unrestricted file upload vulnerability in the exercise sound upload function allows an authenticated teacher to upload a PHP webshell by spoofing the Content-Type header to audio/mpeg. The uploaded file retains its original .php extension and is placed in a web-accessible directory, enabling Remote Code Execution as the web server user (www-data). This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.","publishedAt":"2026-04-10T17:50:40.176Z","updatedAt":"2026-04-15T14:56:10.732Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["chamilo chamilo-lms"],"affected":[{"vendor":"chamilo","product":"chamilo-lms","versions":[{"version":"< 1.11.38","status":"affected"},{"version":">= 2.0.0-alpha.1, < 2.0.0-RC.3","status":"affected"}]}],"references":["https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-863j-h6pf-3xhx","https://github.com/chamilo/chamilo-lms/commit/8cbe660de267f2b6ed625433bdfcf38dee8752b4","https://github.com/chamilo/chamilo-lms/commit/d5ef5153df3d1b2de112cbeb190cdd10bea457f3"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/32xxx/CVE-2026-32931.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-32931","state":"PUBLISHED","datePublished":"2026-04-10T17:50:40.176Z","dateUpdated":"2026-04-15T14:56:10.732Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-17T00:05:53.282Z"},"containers":{"cna":{"title":"Chamilo LMS has Arbitrary File Upload via MIME-Only Validation in Exercise Sound Upload Leads to RCE","descriptions":[{"lang":"en","value":"Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an unrestricted file upload vulnerability in the exercise sound upload function allows an authenticated teacher to upload a PHP webshell by spoofing the Content-Type header to audio/mpeg. The uploaded file retains its original .php extension and is placed in a web-accessible directory, enabling Remote Code Execution as the web server user (www-data). This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3."}],"affected":[{"vendor":"chamilo","product":"chamilo-lms","versions":[{"version":"< 1.11.38","status":"affected"},{"version":">= 2.0.0-alpha.1, < 2.0.0-RC.3","status":"affected"}]}],"references":[{"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-863j-h6pf-3xhx","name":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-863j-h6pf-3xhx","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/8cbe660de267f2b6ed625433bdfcf38dee8752b4","name":"https://github.com/chamilo/chamilo-lms/commit/8cbe660de267f2b6ed625433bdfcf38dee8752b4","tags":["x_refsource_MISC"]},{"url":"https://github.com/chamilo/chamilo-lms/commit/d5ef5153df3d1b2de112cbeb190cdd10bea457f3","name":"https://github.com/chamilo/chamilo-lms/commit/d5ef5153df3d1b2de112cbeb190cdd10bea457f3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","lang":"en","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-10T17:50:40.176Z"},"source":{"advisory":"GHSA-863j-h6pf-3xhx","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-15T14:52:59.648858Z","id":"CVE-2026-32931","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-15T14:56:10.732Z"}}]}}}