{"id":"CVE-2026-44305","state":"PUBLISHED","title":"Lemur: LDAP TLS certificate verification globally disabled enables credential interception","description":"Lemur manages TLS certificate creation. Prior to 1.9.0, when LDAP TLS is enabled (LDAP_USE_TLS = True), Lemur's LDAP authentication module unconditionally disables TLS certificate verification at the global ldap module level. This allows a man-in-the-middle attacker positioned between Lemur and the LDAP server to intercept all authentication credentials. This vulnerability is fixed in 1.9.0.","publishedAt":"2026-05-12T21:28:06.362Z","updatedAt":"2026-05-13T14:26:51.752Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["Netflix lemur"],"affected":[{"vendor":"Netflix","product":"lemur","versions":[{"version":"< 1.9.0","status":"affected"}]}],"references":["https://github.com/Netflix/lemur/security/advisories/GHSA-vr7c-r5gj-j3w5"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44305.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44305","state":"PUBLISHED","datePublished":"2026-05-12T21:28:06.362Z","dateUpdated":"2026-05-13T14:26:51.752Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-05T17:39:31.113Z"},"containers":{"cna":{"title":"Lemur: LDAP TLS certificate verification globally disabled enables credential interception","descriptions":[{"lang":"en","value":"Lemur manages TLS certificate creation. Prior to 1.9.0, when LDAP TLS is enabled (LDAP_USE_TLS = True), Lemur's LDAP authentication module unconditionally disables TLS certificate verification at the global ldap module level. This allows a man-in-the-middle attacker positioned between Lemur and the LDAP server to intercept all authentication credentials. This vulnerability is fixed in 1.9.0."}],"affected":[{"vendor":"Netflix","product":"lemur","versions":[{"version":"< 1.9.0","status":"affected"}]}],"references":[{"url":"https://github.com/Netflix/lemur/security/advisories/GHSA-vr7c-r5gj-j3w5","name":"https://github.com/Netflix/lemur/security/advisories/GHSA-vr7c-r5gj-j3w5","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","lang":"en","description":"CWE-295: Improper Certificate Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-12T21:28:06.362Z"},"source":{"advisory":"GHSA-vr7c-r5gj-j3w5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/Netflix/lemur/security/advisories/GHSA-vr7c-r5gj-j3w5","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T14:26:27.895767Z","id":"CVE-2026-44305","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-13T14:26:51.752Z"}}]}}}