HIGHCVSS v3.1 8.5Vulnerability
CVE-2026-122316
Kyverno from 1.17.0 before 1.19.2 contains a missing authorization vulnerability in the mutate-existing background processor that allows namespaced tenants to modify resources outside their namespace. Attackers can create a NamespacedMutatingPolicy targeting Namespace objects or victim-namespace resources via CEL expressions, making the background-controller ServiceAccount strip Pod Security labels cluster-wide.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-05T05:51:13.658545+00:00
- Cvss severity
- HIGH
- Cvss score
- 8.5
- Retrieved at
- 2026-11-05T05:52:17+00:00
- Score
- 8.5
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-122316
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
- First seen by Signal
- 2026-11-05T05:47:49+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
- Published at
- 2026-11-05T03:17:24.360
- Last modified
- 2026-11-05T03:17:24.360
Related Entities (1)
HAS_WEAKNESS (1)
Explore deeper with Ninja Signal's threat intelligence graph