CVE-2026-9088 (GCVE-0-2026-9088)

Vulnerability from cvelistv5 – Published: 2026-06-05 07:52 – Updated: 2026-06-10 21:29
VLAI
Title
Keycloak: keycloak: information disclosure due to user profile permission bypass
Summary
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.
Severity
2.7 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-1220 - Insufficient Granularity of Access Control
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:25097 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25098 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-9088 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2480179 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6.3-3 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
 Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6 Unaffected: 26.6-6 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.6::el9
 Create a notification for this product.
Red Hat Red Hat build of Keycloak 26.6.3     cpe:/a:redhat:build_keycloak:26.6::el9
 Create a notification for this product.
Date Public
2026-06-05 07:45
Credits
Red Hat would like to thank Hadley So for reporting this issue.
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.