CVE-2026-78631 Improper Restriction of Sensitive Information in Okta Hyperdrive Agent Logging

Medium 5.3 Published 8 Sep 2026 Updated 10 Sep 2026

Local users can read sensitive SAML bearer assertions from log files, potentially exposing authentication credentials.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-78631?

CVE-2026-78631 is a medium-severity vulnerability in Okta Hyperdrive Agent, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Okta Hyperdrive Agent writes the decoded SAML bearer assertion to a local application log file at the default log level on every successful MFA completion. This insertion of sensitive information into the log file makes a live authentication credential readable by any local user with access to the log file.

Weakness: CWE-532

Which versions are affected by CVE-2026-78631?

It affects 1 product.

Products include Okta Hyperdrive.

How do I fix CVE-2026-78631?

No fix has been published for CVE-2026-78631 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-78631 being exploited?

There is no known exploitation of CVE-2026-78631 in the wild and no public exploit code.

Sources

Also known as GHSA-7x42-7j3m-qc6m.