CVE-2026-9088
lowpriority · track · 0EPSS 0.003 · 28 %ileDEEUUSEPSS · scored 2026-10-27
A flaw was found in org.keycloak.services. An administrator with delegated access to read group memberships and users can bypass user profile permissions by accessing the group members endpoint. This allows the administrator to view user attributes that are explicitly configured to be denied, leading to information disclosure.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1785Keycloak: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen und Offenlegung von InformationenDeutsch2026-06-04csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um Informationen offenzulegen.
- GHSA-6g26-7cx5-mrrgKeycloak: Information disclosure due to user profile permission bypass2026-06-05ghsa · osvUS
A flaw was found in org.keycloak.services. An administrator with delegated access to read group memberships and users can bypass user profile permissions by accessing the group members endpoint. This allows the administrator to view user attributes that are explicitly configured to be denied, leading to information disclosure.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2026-9088cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2480179cnnvd
- https://access.redhat.com/errata/RHSA-2026:25097enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:25098enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:30049enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:30050enisa_euvd
- https://access.redhat.com/security/cve/CVE-2026-9088enisa_euvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2480179enisa_euvd
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