CVE-2026-90452 (GCVE-0-2026-90452)
Vulnerability from cvelistv5
Published
2026-09-11 21:51
Modified
2026-10-02 20:59
Severity ?
6.0 (Medium) - CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
5.3 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
  • CWE-295 - Improper certificate validation
Summary
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.
References
Impacted products
Vendor Product Version
CISA Malcolm Version: 0   < v26.06.0
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