Keycloak Information Disclosure Vulnerability (CVSS 3.7)
Summary
CERT-Bund issued a security advisory (WID-SEC-2026-0970) reporting an information disclosure vulnerability in Keycloak, an open-source identity and access management platform. The vulnerability carries a CVSS Base Score of 3.7 (low severity) and allows remote anonymous attackers to potentially expose sensitive information. Affected systems include Keycloak deployments running on Linux and UNIX operating systems.
What changed
CERT-Bund published a security advisory identifying an information disclosure vulnerability in Keycloak with CVSS Base Score 3.7. The vulnerability allows remote, anonymous attackers to exploit the system and disclose information. Keycloak is an open-source identity and access management solution providing Single Sign-On capabilities for modern applications and services.
Organizations running Keycloak on Linux or UNIX systems should evaluate their exposure and implement available mitigations or patches. While the low CVSS score indicates limited severity, the remote and anonymous attack vector warrants attention from IT security teams managing identity management infrastructure.
What to do next
- Apply available security patches for Keycloak
- Review Keycloak configurations for exposure
- Monitor for indicators of exploitation attempts
Archived snapshot
Apr 8, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
[WID-SEC-2026-0970] Keycloak: Schwachstelle ermöglicht Offenlegung von Informationen CVSS Base Score 3.7 (niedrig) CVSS Temporal Score 3.4 (niedrig) Remoteangriff ja Datum 06.04.2026 Stand 07.04.2026 Mitigation nein
Betroffene Systeme
Betriebssystem
- Linux
- UNIX
Produktbeschreibung
Keycloak ermöglicht Single Sign-On mit Identity and Access Management für moderne Anwendungen und Dienste.
Produkte
06.04.2026
- Open Source Keycloak
Angriff
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Informationen offenzulegen. CVE Informationen Versionshistorie Feedback zum Advisory geben
Related changes
Get daily alerts for CERT-Bund Security Advisories
Daily digest delivered to your inbox.
Free. Unsubscribe anytime.
Source
About this page
Every important government, regulator, and court update from around the world. One place. Real-time. Free. Our mission
Source document text, dates, docket IDs, and authority are extracted directly from CERT-Bund.
The plain-English summary, classification, and "what to do next" steps are AI-generated from the original text. Cite the source document, not the AI analysis.
Classification
Who this affects
Taxonomy
Browse Categories
Get alerts for this source
We'll email you when CERT-Bund Security Advisories publishes new changes.