CVE-2026-9088
Keycloak: keycloak: information disclosure due to user profile permission bypass
Description
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.
INFO
Published Date :
June 5, 2026, 8:16 a.m.
Last Modified :
June 5, 2026, 8:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | 53f830b8-0a3f-465b-8143-3b8a9948e749 | ||||
| CVSS 3.1 | LOW | [email protected] |
Solution
- Apply relevant security updates or patches.
- Review and enforce access control policies.
- Validate administrator delegated permissions.
- Limit access to group members endpoint.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-9088.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-9088 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2480179 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-9088 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-9088
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-9088 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-9088 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Jun. 05, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-1220 Added Reference https://access.redhat.com/security/cve/CVE-2026-9088 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2480179