Kyverno from 1.19.1 before 1.19.2 validates a Policy's context.apiCall urlPath after cleaning it but executes the raw path, whose fragment or query the Kubernetes client discards. A namespace-scoped user who can create a Policy can hide ../ segments behind # or ? to reach cluster-scoped endpoints with Kyverno's ServiceAccount, gaining cluster admin.
Metrics
Affected Vendors & Products
References
History
Tue, 10 Nov 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 05 Nov 2026 02:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Kyverno from 1.19.1 before 1.19.2 validates a Policy's context.apiCall urlPath after cleaning it but executes the raw path, whose fragment or query the Kubernetes client discards. A namespace-scoped user who can create a Policy can hide ../ segments behind # or ? to reach cluster-scoped endpoints with Kyverno's ServiceAccount, gaining cluster admin. | |
| Title | Kyverno 1.19.1 before 1.19.2 Privilege Escalation via Policy apiCall urlPath | |
| First Time appeared |
Kyverno
Kyverno kyverno |
|
| Weaknesses | CWE-436 | |
| CPEs | cpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Kyverno
Kyverno kyverno |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-11-05T02:25:12.955Z
Updated: 2026-11-09T16:54:07.737Z
Reserved: 2026-11-04T23:23:51.290Z
Link: CVE-2026-122310
Updated: 2026-11-09T16:12:02.575Z
Status : Analyzed
Published: 2026-11-05T03:17:23.337
Modified: 2026-11-10T20:39:13.623
Link: CVE-2026-122310
No data.