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CVE-2026-33703

Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, an Insecure Direct Object Reference (IDOR) vulnerability in the /social-network/personal-data/{userId} endpoint allows any authenticated user to access full personal data and API tokens of arbitrary users by modifying the userId parameter. This results in mass disclosure of sensitive user information and credentials, enabling a full platform data breach. This vulnerability is fixed in 2.0.0-RC.3.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:179b4521cbe45c84d4055e2ad699812810e4eccc928bf4d761ff6460440b65dd
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":"< 2.0.0-RC.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0785f59c2170f7cd1ca7a13b5266e71851977227ff2586191a8e91246af96840 · sha256:054cbb9782181442… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0785f59c2170f7cd1ca7a13b5266e71851977227ff2586191a8e91246af96840 · sha256:054cbb9782181442… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0785f59c2170f7cd1ca7a13b5266e71851977227ff2586191a8e91246af96840 · sha256:054cbb9782181442… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-27x6-c5c7-gpf5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-27x6-c5c7-gpf5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0785f59c2170f7cd1ca7a13b5266e71851977227ff2586191a8e91246af96840 · sha256:054cbb9782181442… · /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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