CVE-2026-122308 PUBLISHED

Kyverno before 1.19.2 Label Spoofing via Generation Handler processRequest

Assigner: VulnCheck
Reserved: 04.11.2026 Published: 05.11.2026 Updated: 05.11.2026

Kyverno before 1.19.2 contains an authorization bypass vulnerability in the Generation Handler that allows users with create/update permissions to trigger synchronized generate policies by spoofing internal generate.kyverno.io labels. Attackers can label a ConfigMap as managed-by kyverno with crafted policy, rule, and trigger labels to clone sensitive Secrets from restricted namespaces into their own namespace.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
CVSS Score: 8.4

Product Status

Vendor kyverno
Product kyverno
Versions Default: unaffected
  • affected from 0 to 1.19.2 (excl.)
  • Version 1.19.2 is unaffected

Credits

  • 1diot9 finder

References

Problem Types

  • Authorization Bypass Through User-Controlled Key CWE