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CVE-2026-33737

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, multiple files use simplexml_load_string() without XXE protection. With LIBXML_NOENT flag, arbitrary server files can be read. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3fe133533caad84a4794bce0398353f5de9cb8b579f7d8fc7227444981f8370c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"chamilo-lms","vendor":"chamilo","versions":[{"status":"affected","version":"< 1.11.38"},{"status":"affected","version":">= 2.0.0-alpha.1, < 2.0.0-RC.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b58aacb5197c7523e0898633e2ad9c2311f1a70274680bb193bfae667ccc5f9b · sha256:567e2c626d33a986… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b58aacb5197c7523e0898633e2ad9c2311f1a70274680bb193bfae667ccc5f9b · sha256:567e2c626d33a986… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-611","description":"CWE-611: Improper Restriction of XML External Entity Reference","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b58aacb5197c7523e0898633e2ad9c2311f1a70274680bb193bfae667ccc5f9b · sha256:567e2c626d33a986… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e","tags":["x_refsource_MISC"],"url":"https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b58aacb5197c7523e0898633e2ad9c2311f1a70274680bb193bfae667ccc5f9b · sha256:567e2c626d33a986… · /containers/cna/references/1
{"name":"https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3","tags":["x_refsource_MISC"],"url":"https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b58aacb5197c7523e0898633e2ad9c2311f1a70274680bb193bfae667ccc5f9b · sha256:567e2c626d33a986… · /containers/cna/references/2
{"name":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b58aacb5197c7523e0898633e2ad9c2311f1a70274680bb193bfae667ccc5f9b · sha256:567e2c626d33a986… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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