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CVE-2026-33707

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, the default password reset mechanism generates tokens using sha1($email) with no random component, no expiration, and no rate limiting. An attacker who knows a user's email can compute the reset token and change the victim's password without authentication. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:88f1478f65a313921043143db834d744861af78ac93a70c2ebbce650f6563437
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:v2:2c8287156083beafdf3fd6edfb74491711b0f777cf562c5194362cb101a46fd1 · sha256:4d483360e1561789… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":9.4,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2c8287156083beafdf3fd6edfb74491711b0f777cf562c5194362cb101a46fd1 · sha256:4d483360e1561789… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-640","description":"CWE-640: Weak Password Recovery Mechanism for Forgotten Password","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2c8287156083beafdf3fd6edfb74491711b0f777cf562c5194362cb101a46fd1 · sha256:4d483360e1561789… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/chamilo/chamilo-lms/commit/078d7e5b77679fa7ccfcd6783bd5cc683db0bda8","tags":["x_refsource_MISC"],"url":"https://github.com/chamilo/chamilo-lms/commit/078d7e5b77679fa7ccfcd6783bd5cc683db0bda8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c8287156083beafdf3fd6edfb74491711b0f777cf562c5194362cb101a46fd1 · sha256:4d483360e1561789… · /containers/cna/references/1
{"name":"https://github.com/chamilo/chamilo-lms/commit/750a45312a0d5c3ad60dbfbd0d959ca40be4a18c","tags":["x_refsource_MISC"],"url":"https://github.com/chamilo/chamilo-lms/commit/750a45312a0d5c3ad60dbfbd0d959ca40be4a18c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c8287156083beafdf3fd6edfb74491711b0f777cf562c5194362cb101a46fd1 · sha256:4d483360e1561789… · /containers/cna/references/2
{"name":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-f27g-66gq-g7v2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-f27g-66gq-g7v2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c8287156083beafdf3fd6edfb74491711b0f777cf562c5194362cb101a46fd1 · sha256:4d483360e1561789… · /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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