cvedb.io
CVE-2026-37979
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2026-05-19T12:16:18.330 · Last modified 2026-06-17T10:41:39.593

Summary

A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect (OIDC) token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other resource servers, compromising the confidentiality of lightweight access tokens. This issue can be exploited remotely by any confidential client in the realm with valid credentials.

Affected products

redhat — build_of_keycloak

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.