{"id":"CVE-2026-15640","title":"Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user.","summary":"Under certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user.","severity":"critical","cvss":9.5,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H","cwe":["CWE-290"],"vendor":"Delinea","product":"Secret Server (On-Prem)","affected":["secret_server_on-prem >= 10.5.0 <= 12.1.3"],"published":"2026-09-16","updated":"2026-09-18","sourceUpdated":"2026-09-18T19:34:36.657","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-15640","references":[{"url":"https://delinea.com/security-advisories","label":"1443cd92-d354-46d2-9290-d812316ca43a"}],"tags":["nvd","cve.org"],"epss":0.00278,"epssPercentile":0.20448,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-16T19:37:32.364446Z"},"cvssSource":"cna","ingestedAt":"2026-09-15T23:46:25.571Z","slug":"CVE-2026-15640","body":"## Overview\n\nUnder certain conditions a valid SAML IdP response may be used to impersonate another Secret Server user.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":52,"depthScoreParts":{"impact":52.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}