Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-78629

CVE-2026-78629MEDIUM

Okta Okta Hyperdrive Agent — Improper Authentication Verification in the Okta Hyperdrive Agent MFA Response Handling

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  H  N    5.5   .0014    2.8     —

AFFECTED
  Product                Versions  Fixed
  Okta Hyperdrive Agent  1.2.0 –   —

TIMELINE
  Aug 24  Reserved by Okta
  Sep 8   Published (CNA: Okta)
  Sep 22  RESCORED — CVE-2026-78629 (Okta Hyperdrive Agent). CVSS 5.6 → 5.5 (NVD).

CWE-303 · CNA: Okta · CVSS v3.1 · 1 reference · NVD status: Analyzed

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 24, 2026	Reserved	Reserved by Okta
September 8, 2026	Published	Published (CNA: Okta)
September 22, 2026	RESCORED	RESCORED — CVE-2026-78629 (Okta Hyperdrive Agent). CVSS 5.6 → 5.5 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Okta	Okta Hyperdrive Agent	—	1.2.0	—

Weaknesses

CWE-303

References (1)

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

Authoritative record: CVE-2026-78629 at cve.org

Vendors: okta

Weaknesses: CWE-303

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-78629 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.