CVE-2026-122316
Published:November 05, 2026
Updated:November 05, 2026
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.
Affected Packages
https://github.com/kyverno/kyverno.git (GITHUB):
Affected version(s) >=v1.17.0-rc.1 <v1.19.2Fix Suggestion:
Update to version v1.19.2github.com/kyverno/kyverno (GO):
Affected version(s) >=v1.17.0-rc.1 <v1.19.2Fix Suggestion:
Update to version v1.19.2Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Missing Authorization