Medium severity · published Sep 8, 2026
CVE-2026-78631
Improper Restriction of Sensitive Information in Okta Hyperdrive Agent Logging
5.5
CVSS
0.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OH
Okta Hyperdrive Agent · Okta
1.4.0 before 1.5.2 · source: vendor
HY
Hyperdrive · Okta
1.4.0 before 1.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-78631
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-78631
Vendor Advisory
https://trust.okta.com/security-advisories/improper-restriction-of-sensitive-information-in-okta-hyperdrive-agent-logging-cve-2026-78631
More from Okta Hyperdrive Agent
5.5
CVE-2026-78629
Improper Authentication Verification in the Okta Hyperdrive Agent MFA Response Handling