How severe is CVE-2026-3190?

CVE-2026-3190 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-3190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3190?

CVE-2026-3190 affects Redhat Build Of Keycloak. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3190?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3190 have an EU (EUVD) identifier?

Yes. CVE-2026-3190 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16309.

When was CVE-2026-3190 published?

CVE-2026-3190 was published on 2026-03-26 and last updated on 2026-06-17.

CVE-2026-3190

CVE-2026-3190 is a medium-severity vulnerability in Redhat Build Of Keycloak with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-280.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16309
Weakness: CWE-280
Affected product: Redhat Build Of Keycloak
Published: 2026-03-26
Last modified: 2026-06-17

Description

A flaw was found in Keycloak. The User-Managed Access (UMA) 2.0 Protection API endpoint for permission tickets fails to enforce the `uma_protection` role check. This allows any authenticated user with a token issued for a resource server client, even without the `uma_protection` role, to enumerate all permission tickets in the system. This vulnerability partial leads to information disclosure.

Frequently asked questions

What is CVE-2026-3190?: A flaw was found in Keycloak. The User-Managed Access (UMA) 2.0 Protection API endpoint for permission tickets fails to enforce the `uma_protection` role check. This allows any authenticated user with a token issued for a resource server client, even without the `uma_protection` role, to enumerate all permission tickets in the system. This vulnerability partial leads to information disclosure.
How severe is CVE-2026-3190?: CVE-2026-3190 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-3190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3190?: CVE-2026-3190 affects Redhat Build Of Keycloak. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3190?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3190 have an EU (EUVD) identifier?: Yes. CVE-2026-3190 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16309.
When was CVE-2026-3190 published?: CVE-2026-3190 was published on 2026-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:build_of_keycloak:-:*:*:*:-:*:*:*

More vulnerabilities in Redhat Build Of Keycloak

CVE-2026-3047 — High (CVSS 8.8): A flaw was found in org.keycloak.broker.saml. When a disabled Security Assertion Markup Language (SAML) client is…
CVE-2026-11800 — High (CVSS 8.1): A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an…
CVE-2026-9800 — High (CVSS 8.1): A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all…
CVE-2026-7504 — High (CVSS 8.1): A flaw was found in Keycloak's URL validation logic during redirect operations. By crafting a malicious request, an…
CVE-2026-4636 — High (CVSS 8.1): A flaw was found in Keycloak. An authenticated user with the uma_protection role can bypass User-Managed Access (UMA)…
CVE-2026-3009 — High (CVSS 8.1): A security flaw in the IdentityBrokerService.performLogin endpoint of Keycloak allows authentication to proceed using…

All CVEs affecting Redhat Build Of Keycloak →

Other CWE-280 vulnerabilities

CVE-2025-46066 — Critical (CVSS 9.9): An issue in Automai Director v.25.2.0 allows a remote attacker to escalate privileges
CVE-2025-6573 — Critical (CVSS 9.8): Kernel software installed and running inside an untrusted/rich execution environment (REE) could leak information from…
CVE-2024-24116 — Critical (CVSS 9.8): An issue in Ruijie RG-NBS2009G-P RGOS v.10.4(1)P2 Release(9736) allows a remote attacker to gain privileges via the…
CVE-2026-41566 — Critical (CVSS 9.4): Improper Handling of Insufficient Permissions or Privileges vulnerability in Apache Kvrocks. This issue affects Apache…
CVE-2024-1608 — Critical (CVSS 9.1): In OPPO Usercenter Credit SDK, there's a possible escalation of privilege due to loose permission check, This could…
CVE-2026-24096 — High (CVSS 8.8): Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version…

Browse all CWE-280 vulnerabilities →