---
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: 0.001
epssPercentile: 0.00945
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T14:38:49.813878Z'
ingestedAt: '2026-09-08T21:11:12.374Z'
---

## Overview

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

- `hyperdrive >= 1.2.0, < 1.5.2`

## Remediation

Upgrade past the affected range:

- `hyperdrive 1.5.2`