High severity7.5GHSA Advisory· Published Jun 3, 2024· Updated Apr 15, 2026
CVE-2024-4540
CVE-2024-4540
Description
A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by the authorization server's HTTP response to a request_uri authorization request, possibly leading to an information disclosure vulnerability.
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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-servicesMaven | < 24.0.5 | 24.0.5 |
Affected products
8- Range: < 24.0.5
- osv-coords7 versionspkg:apk/chainguard/keycloak-bitnami-fipspkg:apk/chainguard/keycloak-fipspkg:apk/chainguard/keycloak-fips-bitnami-compatpkg:apk/chainguard/keycloak-fips-policy-140-2pkg:apk/chainguard/keycloak-fips-policy-140-3pkg:apk/chainguard/keycloak-iamguarded-fipspkg:maven/org.keycloak/keycloak-services
< 25.0.0-r0+ 6 more
- (no CPE)range: < 25.0.0-r0
- (no CPE)range: < 25.0.0-r0
- (no CPE)range: < 25.0.0-r0
- (no CPE)range: < 25.0.0-r0
- (no CPE)range: < 25.0.0-r0
- (no CPE)range: < 25.0.0-r0
- (no CPE)range: < 24.0.5
Patches
Vulnerability mechanics
References
15- github.com/advisories/GHSA-69fp-7c8p-crjrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-4540ghsaADVISORY
- access.redhat.com/errata/RHSA-2024:3566nvdWEB
- access.redhat.com/errata/RHSA-2024:3567nvdWEB
- access.redhat.com/errata/RHSA-2024:3568nvdWEB
- access.redhat.com/errata/RHSA-2024:3570nvdWEB
- access.redhat.com/errata/RHSA-2024:3572nvdWEB
- access.redhat.com/errata/RHSA-2024:3573nvdWEB
- access.redhat.com/errata/RHSA-2024:3574nvdWEB
- access.redhat.com/errata/RHSA-2024:3575nvdWEB
- access.redhat.com/errata/RHSA-2024:3576nvdWEB
- access.redhat.com/security/cve/CVE-2024-4540nvdWEB
- bugzilla.redhat.com/show_bug.cginvdWEB
- github.com/keycloak/keycloak/commit/2191cc26ae6deb52eeaf74046027b65804d16fd0ghsaWEB
- github.com/keycloak/keycloak/security/advisories/GHSA-69fp-7c8p-crjrghsaWEB
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