{"id":"CVE-2026-78631","title":"The Okta Hyperdrive Agent writes the decoded SAML bearer assertion to a local application log file at the default log level on every successful MFA completion","summary":"The Okta Hyperdrive Agent writes the decoded SAML bearer assertion to a local application log file at the default log level on every successful MFA completion. This insertion of sensitive information into the log file makes a live authen…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","cwe":["CWE-532"],"vendor":"Okta","product":"Okta Hyperdrive Agent","affected":["hyperdrive_agent >= 1.4.0 < 1.5.2"],"published":"2026-09-08","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:17:42.653","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78631","references":[{"url":"https://trust.okta.com/security-advisories/improper-restriction-of-sensitive-information-in-okta-hyperdrive-agent-logging-cve-2026-78631","label":"psirt@okta.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T14:41:08.955407Z"},"epss":0.001,"epssPercentile":0.00949,"ingestedAt":"2026-09-08T21:11:12.374Z","slug":"CVE-2026-78631","body":"## Overview\n\nThe Okta Hyperdrive Agent writes the decoded SAML bearer assertion to a local application log file at the default log level on every successful MFA completion. This insertion of sensitive information into the log file makes a live authentication credential readable by any local user with access to the log file.\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,"exploitation":0,"ransomware":0},"changes":[]}