CVE-2026-78574: Improper Assembly Resolution in Okta Hyperdrive Integration Plugin Registry Handling

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-08 · updated 2026-09-23
Weakness: CWE-426

Description

The Okta Hyperdrive Integration plugin resolves a required assembly using a registry path within the current user's hive without integrity verification. The referenced path is loaded via Assembly.LoadFrom without signature validation, resulting in an unverified assembly executing within the context of the host process or elevated installer.

Affected products

Okta Hyperdrive Agent: from 1.2.0 through 1.5.1

References

https://trust.okta.com/security-advisories/improper-assembly-resolution-in-okta-hyperdrive-integration-plugin-registry-handling-cve-2026-78574

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