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CVE-2026-34370

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the notebook module contains an Insecure Direct Object Reference (IDOR) vulnerability that allows any authenticated student to read the private course notes of any other user on the platform by manipulating the notebook_id parameter in the editnote action. The application fetches the note content using only the supplied integer ID without verifying that the requesting user owns the note, and the full title
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e59e768b4fdae0596399811880c90750c1fa3402edc03c3910d341cd8a9e7e3f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e5fb1c0542782b8e05b346cf749cce0b45c785b53a7fa85cc07079d84e0542fd · sha256:bc5dbfa473f1de65… · /containers/cna/problemTypes/0/descriptions/0

{"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:e5fb1c0542782b8e05b346cf749cce0b45c785b53a7fa85cc07079d84e0542fd · sha256:bc5dbfa473f1de65… · /containers/cna/problemTypes/1/descriptions/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:e5fb1c0542782b8e05b346cf749cce0b45c785b53a7fa85cc07079d84e0542fd · sha256:bc5dbfa473f1de65… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/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:e5fb1c0542782b8e05b346cf749cce0b45c785b53a7fa85cc07079d84e0542fd · sha256:bc5dbfa473f1de65… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e5fb1c0542782b8e05b346cf749cce0b45c785b53a7fa85cc07079d84e0542fd · sha256:bc5dbfa473f1de65… · /containers/cna/problemTypes/0/descriptions/0
{"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:e5fb1c0542782b8e05b346cf749cce0b45c785b53a7fa85cc07079d84e0542fd · sha256:bc5dbfa473f1de65… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3","tags":["x_refsource_MISC"],"url":"https://github.com/chamilo/chamilo-lms/releases/tag/v2.0.0-RC.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e5fb1c0542782b8e05b346cf749cce0b45c785b53a7fa85cc07079d84e0542fd · sha256:bc5dbfa473f1de65… · /containers/cna/references/1
{"name":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-fm35-2hvw-564q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-fm35-2hvw-564q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e5fb1c0542782b8e05b346cf749cce0b45c785b53a7fa85cc07079d84e0542fd · sha256:bc5dbfa473f1de65… · /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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