What’s Vulnerable › Vulnerabilities
CVE-2026-78629: Improper Authentication Verification in the Okta Hyperdrive Agent MFA Response Handling
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-08 · updated 2026-09-22
- Weakness: CWE-303
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.
Affected products
- Okta Hyperdrive Agent: from 1.2.0 before 1.5.2 — fixed in 1.5.2
How to fix
Upgrade to a fixed version: Okta Hyperdrive Agent 1.5.2. Check the vendor advisory for mitigations.
References
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