CVE-2026-90452

Published Sep 11, 2026 CWE-295

Description

Requests from the reverse proxy to the identity-provider service for token discovery, introspection, and credential exchange do not verify the identity provider's server certificate. An attacker positioned on the network path between the proxy and the identity provider could impersonate the identity provider and issue forged authentication tokens accepted by the deployment.

Is your site exposed to CVE-2026-90452?

Run a free security scan — no signup, results in seconds.

Weakness Type (CWE)

CWE-295 CWE-295

References

Frequently Asked Questions

What is CVE-2026-90452? +
Requests from the reverse proxy to the identity-provider service for token discovery, introspection, and credential exchange do not verify the identity provider's server certificate. An attacker positioned on the network path between the proxy and the identity provider could impersonate the identity provider and issue forged authentication tokens accepted by the deployment.
How do I check if I'm vulnerable to CVE-2026-90452? +
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.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2026-90452 — free, no signup required.