CVE-2026-78629

5.5 mediumEPSS 0.1%

Medium (5.5) in okta hyperdrive. EPSS 0.1% chance of exploitation in the next 30 days.

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

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-303
Published: 2026-09-08
Modified: 2026-09-22
Record from: the NVD, synced 2026-10-19

Affected

okta:hyperdrive

References

https://trust.okta.com/security-advisories/improper-authentication-verification-in-the-okta-hyperdrive-agent-mfa-response-handling-cve-2026-78629

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