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Not in CISA KEV
HIGH severity

CVE-2019-10169 — keycloak-authz-client

HIGH

CVE-2019-10169 is a high-severity (CVSS 7.2) CWE-267 vulnerability in org.keycloak:keycloak-authz-client. A fix is available for org.keycloak:keycloak-authz-client — see the affected versions and patch details below.

Keycloak code execution via UMA policy abuse

Also known asGHSA-9c24-43p5-fv82
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs70th percentile — riskier than 70% of all scored CVEsHighest risk
0.11%0.67%1.22%1.78%0.6%1.3%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.keycloak:keycloak-authz-client

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

A flaw was found in Keycloak’s user-managed access interface, where it would permit a script to be set in the UMA policy. This flaw allows an authenticated attacker with UMA permissions to configure a malicious script to trigger and execute arbitrary code with the permissions of the user running application.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.keycloak:keycloak-authz-clientall versions8.0.0org.keycloak:keycloak-authz-client:8.0.0

Affected Products

1 product · 1 configurations
Application
keycloakredhat
< 8.0.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.keycloak:keycloak-authz-client, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.keycloak:keycloak-authz-client to 8.0.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-10169 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

Red HatModerate
RHSA-2019:3050Red Hat Single Sign-On 7.3.4 zip

Frequently Asked Questions

A flaw was found in Keycloak’s user-managed access interface, where it would permit a script to be set in the UMA policy. This flaw allows an authenticated attacker with UMA permissions to configure a malicious script to trigger and execute arbitrary code with the permissions of the user running application.
O3 Security · Impact-Aware SCA

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CVE-2019-10169: keycloak-authz-client RCE — Fixed in 8.0.0