CVE-2026-78627 (CVSS 7.3)

Description

The Okta Hyperdrive Integration installer does not mask the OAuth client secret when passed as an MSI property. The credential is recorded in plaintext in the installer log, the Application Event Log, and the process command line, all of which are readable by an authenticated local user on the workstation.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

EPSS — Exploit Prediction

0.0011

Probability of exploitation

0.01%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-532 CWE-532

References

Other References

https://trust.okta.com/security-advisories/improper-credential-protection-in-okta-hyperdrive-integration-installer-logging-cve-2026-78627

Frequently Asked Questions

What is CVE-2026-78627? +

The Okta Hyperdrive Integration installer does not mask the OAuth client secret when passed as an MSI property. The credential is recorded in plaintext in the installer log, the Application Event Log, and the process command line, all of which are readable by an authenticated local user on the workstation. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-78627? +

CVE-2026-78627 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0011, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-78627? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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