{"id":"CVE-2026-78629","title":"The Okta Hyperdrive agent plugin returns a success response without a signed SAML assertion when the organization's policy requires no MFA for a given user","summary":"The Okta Hyperdrive agent plugin returns a success response without a signed SAML assertion when the organization's policy requires no MFA for a given user. The response contains only a bare boolean validation indicator with no cryptogra…","severity":"medium","cvss":5.6,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","cwe":["CWE-303"],"vendor":"okta","product":"hyperdrive","affected":["hyperdrive >= 1.2.0, < 1.5.2"],"patched":["hyperdrive 1.5.2"],"published":"2026-09-08","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:06:42.593","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78629","references":[{"url":"https://trust.okta.com/security-advisories/improper-authentication-verification-in-the-okta-hyperdrive-agent-mfa-response-handling-cve-2026-78629","label":"psirt@okta.com"}],"tags":["nvd","cve.org"],"epss":0.00099,"epssPercentile":0.00915,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T14:38:49.813878Z"},"ingestedAt":"2026-09-08T21:11:12.374Z","slug":"CVE-2026-78629","body":"## Overview\n\nThe Okta Hyperdrive agent plugin returns a success response without a signed SAML assertion when the organization's policy requires no MFA for a given user. The response contains only a bare boolean validation indicator with no cryptographic artifact, resulting in an unverifiable authentication verdict being delivered to the relying application.\n\n## Affected\n\n- `hyperdrive >= 1.2.0, < 1.5.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `hyperdrive 1.5.2`","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":30.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}