Moderate severityNVD Advisory· Published Jan 11, 2023· Updated Apr 9, 2025

CVE-2023-0091

Description

A flaw was found in Keycloak, where it did not properly check client tokens for possible revocation in its client credential flow. This flaw allows an attacker to access or modify potentially sensitive information.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
org.keycloak:keycloak-coreMaven	< 20.0.3	20.0.3

Affected products

ghsa-coords
pkg:maven/org.keycloak/keycloak-core
Range: < 20.0.3
Red Hat/Keycloakcpe-rescue
Range: n/a

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-v436-q368-hvggghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2023-0091ghsaADVISORY
access.redhat.com/security/cve/CVE-2023-0091ghsaWEB
github.com/keycloak/keycloak/security/advisories/GHSA-v436-q368-hvggghsaWEB

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