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Advisory record · GHSA-6g26-7cx5-mrrg

Keycloak: Information disclosure due to user profile permission bypass

CVSS 2.7 LowEPSS 0.0035 · 28th percentile

Published by the GitHub Advisory Database at 5 Jun 2026, 09:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.keycloak:keycloak-servicesMaven<26.7.026.7.0
Identifiers
GHSA-6g26-7cx5-mrrg · CVE-2026-9088
Weakness (CWE)
CWE-1220
Tags
Published
5 Jun 2026
Updated
16 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Keycloak's org.keycloak:keycloak-services package is affected in versions before 26.7.0. An administrator who has delegated access to read group memberships and users can use the group members endpoint to view user attributes that are configured to be denied, which discloses information. Upgrade to version 26.7.0 or later.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
2.7 Low 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0035, the 28th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:19 UTC First seen by agentprime
  2. 31 Oct 2026, 14:19 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.