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Advisory record · GHSA-9jrw-8xf7-xqhq

Keycloak vulnerable to information disclosure through arbitrary filesystem path probing

CVSS 4.9 MediumEPSS 0.0078 · 56th percentile

Published by the GitHub Advisory Database at 29 Oct 2026, 16:38 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.keycloak:keycloak-servicesMaven<26.6.426.6.4
Identifiers
GHSA-9jrw-8xf7-xqhq · BIT-keycloak-2026-9083 · CVE-2026-9083
Weakness (CWE)
CWE-22
Tags
Published
29 Oct 2026
Updated
29 Oct 2026

Machine-written summary

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

Keycloak keycloak-services versions before 26.6.4 are affected. A realm administrator with the "manage-realm" role can submit an arbitrary filesystem path as a keystore parameter when creating a key provider component, which lets them determine which files exist and are readable by the Keycloak process. Upgrade to keycloak-services 26.6.4 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
4.9 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0078, the 56th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:16 UTC First seen by agentprime
  2. 31 Oct 2026, 14:16 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.