{"id":"CVE-2026-78629","aliases":["EUVD-2026-74181","GHSA-p4wq-g97j-pcf5"],"status":"published","title":"Improper Authentication Verification in the Okta Hyperdrive Agent MFA Response Handling","description":"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 cryptographic artifact, resulting in an unverifiable authentication verdict being delivered to the relying application.","severity":{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0014,"percentile":0.03385,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-303"],"published":"2026-09-08T20:14:27Z","modified":"2026-09-22T20:06:42Z","products":[{"vendor":"okta","product":"hyperdrive"},{"vendor":"okta","product":"okta hyperdrive agent"}],"references":[{"url":"https://trust.okta.com/security-advisories/improper-authentication-verification-in-the-okta-hyperdrive-agent-mfa-response-handling-cve-2026-78629","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78629"},{"url":"https://github.com/advisories/GHSA-p4wq-g97j-pcf5"}],"sources":{"cve":[{"id":"CVE-2026-78629","title":"Improper Authentication Verification in the Okta Hyperdrive Agent MFA Response Handling","description":"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 cryptographic artifact, resulting in an unverifiable authentication verdict being delivered to the relying application.","status":"published","published":"2026-09-08T20:14:27.716Z","modified":"2026-09-10T14:39:42.613Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-74181","description":"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 cryptographic artifact, resulting in an unverifiable authentication verdict being delivered to the relying application.","status":"published","published":"2026-09-08T20:14:27Z","modified":"2026-09-10T14:39:42Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:24.835649Z"}],"ghsa":[{"id":"GHSA-p4wq-g97j-pcf5","title":"The Okta Hyperdrive agent plugin returns a success response without a signed SAML assertion when...","description":"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 cryptographic artifact, resulting in an unverifiable authentication verdict being delivered to the relying application.","status":"published","published":"2026-09-08T21:34:30Z","modified":"2026-09-08T21:34:35Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T15:11:36.851913Z"}],"nvd":[{"id":"CVE-2026-78629","description":"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 cryptographic artifact, resulting in an unverifiable authentication verdict being delivered to the relying application.","status":"published","published":"2026-09-08T21:18:41.347Z","modified":"2026-09-22T20:06:42.593Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T14:12:45.612639Z"}]}}