{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33710", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-23T17:06:05.747Z", "datePublished": "2026-04-10T18:59:24.111Z", "dateUpdated": "2026-04-10T18:59:24.111Z"}, "containers": {"cna": {"title": "Chamilo LMS has Weak REST API Key Generation (Predictable)", "problemTypes": [{"descriptions": [{"cweId": "CWE-330", "lang": "en", "description": "CWE-330: Use of Insufficiently Random Values", "type": "CWE"}]}], "metrics": [{"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"}}], "references": [{"name": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-rpmg-j327-mr39", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-rpmg-j327-mr39"}, {"name": "https://github.com/chamilo/chamilo-lms/commit/4448701bb8ec557e94ef02d19c72cbe9c49c2d09", "tags": ["x_refsource_MISC"], "url": "https://github.com/chamilo/chamilo-lms/commit/4448701bb8ec557e94ef02d19c72cbe9c49c2d09"}, {"name": "https://github.com/chamilo/chamilo-lms/commit/e7400dd840586ae134b286d0a2374f3d269a9a9d", "tags": ["x_refsource_MISC"], "url": "https://github.com/chamilo/chamilo-lms/commit/e7400dd840586ae134b286d0a2374f3d269a9a9d"}], "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"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-10T18:59:24.111Z"}, "descriptions": [{"lang": "en", "value": "Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, REST API keys are generated using md5(time() + (user_id * 5) - rand(10000, 10000)). The rand(10000, 10000) call always returns exactly 10000 (min == max), making the formula effectively md5(timestamp + user_id*5 - 10000). An attacker who knows a username and approximate key creation time can brute-force the API key. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3."}], "source": {"advisory": "GHSA-rpmg-j327-mr39", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, REST API keys are generated using md5(time() + (user_id * 5) - rand(10000, 10000)). The rand(10000, 10000) call always returns exactly 10000 (min == max), making the formula effectively md5(timestamp + user_id*5 - 10000). An attacker who knows a username and approximate key creation time can brute-force the API key. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3."}], "id": "CVE-2026-33710", "lastModified": "2026-04-10T19:16:24.257", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-10T19:16:24.257", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/chamilo/chamilo-lms/commit/4448701bb8ec557e94ef02d19c72cbe9c49c2d09"}, {"source": "security-advisories@github.com", "url": "https://github.com/chamilo/chamilo-lms/commit/e7400dd840586ae134b286d0a2374f3d269a9a9d"}, {"source": "security-advisories@github.com", "url": "https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-rpmg-j327-mr39"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-330"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}