{"api_version":"1","generated_at":"2026-04-11T00:01:38+00:00","cve":"CVE-2026-33707","urls":{"html":"https://cve.report/CVE-2026-33707","api":"https://cve.report/api/cve/CVE-2026-33707.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-33707","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-33707"},"summary":{"title":"Weak Password Recovery Mechanism for Forgotten Password in chamilo/chamilo-lms","description":"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.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-04-10 19:16:23","updated_at":"2026-04-10 19:16:23"},"problem_types":["CWE-640","CWE-640 CWE-640: Weak Password Recovery Mechanism for Forgotten Password"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"9.4","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","baseScore":9.4,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"9.4","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","data":{"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"}}],"references":[{"url":"https://github.com/chamilo/chamilo-lms/commit/750a45312a0d5c3ad60dbfbd0d959ca40be4a18c","name":"https://github.com/chamilo/chamilo-lms/commit/750a45312a0d5c3ad60dbfbd0d959ca40be4a18c","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/chamilo/chamilo-lms/commit/078d7e5b77679fa7ccfcd6783bd5cc683db0bda8","name":"https://github.com/chamilo/chamilo-lms/commit/078d7e5b77679fa7ccfcd6783bd5cc683db0bda8","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-f27g-66gq-g7v2","name":"https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-f27g-66gq-g7v2","refsource":"security-advisories@github.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-33707","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33707","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"chamilo","product":"chamilo-lms","version":"affected < 1.11.38","platforms":[]},{"source":"CNA","vendor":"chamilo","product":"chamilo-lms","version":"affected >= 2.0.0-alpha.1, < 2.0.0-RC.3","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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"}]}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-640","description":"CWE-640: Weak Password Recovery Mechanism for Forgotten Password","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-04-10T18:52:54.097Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"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"},{"name":"https://github.com/chamilo/chamilo-lms/commit/078d7e5b77679fa7ccfcd6783bd5cc683db0bda8","tags":["x_refsource_MISC"],"url":"https://github.com/chamilo/chamilo-lms/commit/078d7e5b77679fa7ccfcd6783bd5cc683db0bda8"},{"name":"https://github.com/chamilo/chamilo-lms/commit/750a45312a0d5c3ad60dbfbd0d959ca40be4a18c","tags":["x_refsource_MISC"],"url":"https://github.com/chamilo/chamilo-lms/commit/750a45312a0d5c3ad60dbfbd0d959ca40be4a18c"}],"source":{"advisory":"GHSA-f27g-66gq-g7v2","discovery":"UNKNOWN"},"title":"Weak Password Recovery Mechanism for Forgotten Password in chamilo/chamilo-lms"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-33707","datePublished":"2026-04-10T18:52:54.097Z","dateReserved":"2026-03-23T17:06:05.747Z","dateUpdated":"2026-04-10T18:52:54.097Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-10 19:16:23","lastModifiedDate":"2026-04-10 19:16:23","problem_types":["CWE-640","CWE-640 CWE-640: Weak Password Recovery Mechanism for Forgotten Password"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","baseScore":9.4,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":5.5}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"33707","Ordinal":"1","Title":"Weak Password Recovery Mechanism for Forgotten Password in chami","CVE":"CVE-2026-33707","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"33707","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Weak Password Recovery Mechanism for Forgotten Password in chami"}]}}}