CVE-2026-90452 — Improper certificate validation in Malcolm
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 certifi…
Published: 2026-09-11 · CVSS: 6.0 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7