A flaw was found in Keycloak's Authorization Services. The component responsible for matching request paths to security policies (PathMatcher) does not properly normalize URIs before comparison. By adding extra characters like a trailing slash or matrix parameters to a URL, an attacker can trick the system into applying a less restrictive security policy than intended. This allows an authenticated user to access administrative or restricted areas they should not have permission to see.
References
| Link | Resource |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:50846 | Vendor Advisory |
| https://access.redhat.com/errata/RHSA-2026:50847 | Vendor Advisory |
| https://access.redhat.com/errata/RHSA-2026:50848 | Vendor Advisory |
| https://access.redhat.com/errata/RHSA-2026:50849 | Vendor Advisory |
| https://access.redhat.com/security/cve/CVE-2026-15573 | Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2499593 | Issue Tracking Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
10 Aug 2026, 18:40
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://access.redhat.com/errata/RHSA-2026:50846 - Vendor Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2026:50847 - Vendor Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2026:50848 - Vendor Advisory | |
| References | () https://access.redhat.com/errata/RHSA-2026:50849 - Vendor Advisory | |
| References | () https://access.redhat.com/security/cve/CVE-2026-15573 - Vendor Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2499593 - Issue Tracking, Vendor Advisory | |
| CPE | cpe:2.3:a:redhat:data_grid:8.0:*:*:*:*:*:*:* cpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:* cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* cpe:2.3:a:redhat:jboss_enterprise_application_platform_expansion_pack:-:*:*:*:*:*:*:* |
|
| First Time |
Redhat single Sign-on
Redhat build Of Keycloak Redhat Redhat jboss Enterprise Application Platform Expansion Pack Redhat data Grid |
05 Aug 2026, 20:17
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-178 |
05 Aug 2026, 17:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
05 Aug 2026, 15:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-08-05 15:16
Updated : 2026-08-10 18:40
NVD link : CVE-2026-15573
Mitre link : CVE-2026-15573
CVE.ORG link : CVE-2026-15573
JSON object : View
Products Affected
redhat
- data_grid
- build_of_keycloak
- single_sign-on
- jboss_enterprise_application_platform_expansion_pack
CWE
CWE-178
Improper Handling of Case Sensitivity
