CVE-2026-122315 PUBLISHED

Kyverno before 1.19.2 Image Verification Bypass via Attestation Type Panic

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

Kyverno before 1.19.2 contains an unchecked type assertion in buildStatementMap that allows unauthenticated attackers to crash the policy engine via crafted attestation statements. Attackers can push an OCI referrer manifest with a non-string type field to bypass image verification under failurePolicy Ignore or crash-loop the reports-controller.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Product Status

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

Credits

  • r0binak finder

References

Problem Types

  • Uncaught Exception CWE