Is CVE-2026-78631 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-78631?

CVE-2026-78631 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-78631

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.