CVE-2026-78631: Insertion of Sensitive Information into Log File in Okta Okta Hyperdrive Agent
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.
CVSS v3.1
Score 5.3medium
Affected software
Okta
Okta Hyperdrive Agent
pkg:github/okta/hyperdrive-agentRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Okta Hyperdrive Agent logs the decoded SAML bearer assertion, which is a live authentication credential, to a local application log file at the default log level on every successful MFA completion. This behavior results in sensitive information being stored in plaintext in logs accessible to local users, potentially allowing unauthorized access to authentication credentials.
Potential Impact
The vulnerability allows local users with access to the log files to read sensitive authentication credentials (decoded SAML bearer assertions). This could lead to credential theft and unauthorized access. The CVSS score is 5.3 (medium severity), reflecting that the attack vector requires local access, high attack complexity, and low privileges, but results in high confidentiality impact.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to log files containing sensitive information to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Okta
- Date Reserved
- 2026-08-24T22:04:00.475Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa07239acd9273b4931f77d
Added to database: 09/08/2026, 20:38:17 UTC
Last enriched: 09/16/2026, 01:53:16 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 81
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