Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
The keycloak-model-storage-services package is affected in versions 26.3.0 before 26.3.4. An attacker who can supply a crafted realm document for import through the KeycloakRealmImport custom resource may be able to inject malicious content, with unintended effects in the Keycloak environment. The source gives few details. Upgrade to version 26.3.4.
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
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 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 0.0054, the 45th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:17 UTC First seen by agentprime
- 31 Oct 2026, 14:17 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-8hxp-qmph-w5gq
- OSV: GHSA-8hxp-qmph-w5gq
- github.com/keycloak/keycloak/security/advisories/GHSA-8hxp-qmph-w5gq
- access.redhat.com/errata/RHSA-2025:15336
- access.redhat.com/errata/RHSA-2025:15337
- access.redhat.com/errata/RHSA-2025:15338
- access.redhat.com/errata/RHSA-2025:15339
- access.redhat.com/errata/RHSA-2025:16399
- access.redhat.com/errata/RHSA-2025:16400
- access.redhat.com/security/cve/CVE-2025-9162
- bugzilla.redhat.com/show_bug.cgi?id=2389396
- github.com/keycloak/keycloak
- github.com/keycloak/keycloak/blob/26.3.3/model/storage-services/src/main/java/org/keycloak/exportimport/AbstractFileBasedImportProvider.java#L36
- github.com/keycloak/keycloak/blob/75afda410495a9576e00edc3277ab42ca155f806/model/storage-services/src/main/java/org/keycloak/exportimport/AbstractFileBasedImportProvider.java#L35