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HIGH severity

GHSA-7m27-3587-83xf — keycloak-core

HIGH

GHSA-7m27-3587-83xf is a high-severity (CVSS 7.2) CWE-267 vulnerability in org.keycloak:keycloak-core. A fix is available for org.keycloak:keycloak-core — see the affected versions and patch details below.

Privilege Defined With Unsafe Actions in Keycloak

Also known asCVE-2019-10170
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs66th percentile — riskier than 66% of all scored CVEsHighest risk
0.24%0.71%1.18%1.65%0.7%1.2%Apr 26Aug 26Oct 26

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

How urgent is this, really

GHSA-7m27-3587-83xf by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 382,574 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
☕org.keycloak:keycloak-core

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 the Keycloak admin console, where the realm management interface permits a script to be set via the policy. This flaw allows an attacker with authenticated user and realm management permissions to configure a malicious script to trigger and execute arbitrary code with the permissions of the application user.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.keycloak:keycloak-coreall versions8.0.0org.keycloak:keycloak-core: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-core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.keycloak:keycloak-core to 8.0.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-7m27-3587-83xf 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 the Keycloak admin console, where the realm management interface permits a script to be set via the policy. This flaw allows an attacker with authenticated user and realm management permissions to configure a malicious script to trigger and execute arbitrary code with the permissions of the application user.
O3 Security · Impact-Aware SCA

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GHSA-7m27-3587-83xf: RCE — Fixed in 8.0.0 | O3 Security