{"id":"CVE-2026-118426","title":"In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search.","summary":"In affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"Octopus Deploy","product":"Octopus Server","affected":["octopus_server >= 3.0.0 < 2026.2.13487","octopus_server >= 2026.3.0 < 2026.3.15909"],"published":"2026-10-29","updated":"2026-10-29","sourceUpdated":"2026-10-29T02:02:13.443Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118426","references":[{"url":"https://advisories.octopus.com/post/2026/sa2026-18"}],"tags":["cve.org"],"epss":0.00268,"epssPercentile":0.19035,"ingestedAt":"2026-10-31T01:14:13.030Z","slug":"CVE-2026-118426","body":"## Overview\n\nIn affected versions of Octopus Server with the LDAP authentication provider enabled, any authenticated user could call the LDAP user search and LDAP group search.\n\n## Affected\n\n- `octopus_server >= 3.0.0 < 2026.2.13487`\n- `octopus_server >= 2026.3.0 < 2026.3.15909`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}