Advisory severityHigh8.1Red Hat Linux

High [CVE-2026-16102] Default DCR policy allows role forgery via User Property mappers

This high-severity Red Hat Linux advisory covers CVE-2026-16102 affecting Red Hat build of Keycloak 26.4, Red Hat build of Keycloak 26.6, Red Hat Single Sign-On 7.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-16102 Source published Aug 5, 2026Source updated Aug 5, 2026

VulniPulse record published Aug 5, 2026Record updated Aug 22, 2026

CVE-2026-16102

Affected products & platforms

Red Hat LinuxUnclassified

Open source advisory

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Summary

Default DCR policy allows role forgery via User Property mappers. Red Hat rates this important (CVSS 8.1).

Red Hat lists fixing advisory RHSA-2026:50848 with package rhbk/keycloak-rhel9:26.6-11, rhbk/keycloak-operator-bundle:26.4.14-1, rhbk-keycloak-rhel9/rhbk-keycloak-rhel9, keycloak-services.

Affected products named by the advisory: Red Hat build of Keycloak 26.4; Red Hat build of Keycloak 26.6; Red Hat Single Sign-On 7.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

rhbk/keycloak-rhel9:26.6-11
rhbk/keycloak-operator-bundle:26.4.14-1
rhbk-keycloak-rhel9/rhbk-keycloak-rhel9
keycloak-services
rhbk-openshift-rhel9/rhbk-openshift-rhel9
rhbk/keycloak-rhel9-operator:26.6-11
rhbk/keycloak-rhel9-operator:26.4-22
rhbk/keycloak-operator-bundle:26.6.5-1
rhbk/keycloak-rhel9:26.4-22
RHSA-2026:50848

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Red Hat Security Data APIofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://access.redhat.com/hydra/rest/securitydata/cve.json; this link opens the Red Hat Linux advisory index instead of the raw feed document.
Red Hat Linux
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Red Hat Linux
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-16102NVD CVE.org MITRE

Discussion(0)

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