CVE-2026-122315

Kyverno before 1.19.2 Image Verification Bypass via Attestation Type Panic

8.7 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.40%Unchanged since Nov 5, 2026

What each source reports

CVE List Score used 8.7

Kyverno before 1.19.2 Image Verification Bypass via Attestation Type Panic

Record: CVE-2026-122315
CVSS 4.0: 8.7 HighCVSS: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 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-248
Updated: 2026-11-05

EUVDEUVD-2026-117226 8.7

Record: EUVD-2026-117226
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-05

GitHub AdvisoriesGHSA-x7j9-3gfw-cfg6 8.7

Kyverno before 1.19.2 contains an unchecked type assertion in buildStatementMap that allows...

Record: GHSA-x7j9-3gfw-cfg6
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-248
Updated: 2026-11-05

NVD 8.7

Record: CVE-2026-122315
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-248
Updated: 2026-11-05

OSV 8.7

Kyverno before 1.19.2 Image Verification Bypass via Attestation Type Panic

Record: CVE-2026-122315
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-248
Updated: 2026-11-07

Affected products

kyverno

History

History
Recorded	Changed	Sources
Nov 5, 2026	aliases, references	NVD, OSV
Nov 5, 2026	cwes, references, severity, title	CVE List, GitHub Advisories, NVD
Nov 5, 2026	first indexed	EUVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-122315 is a high vulnerability (CVSS 8.7) in Kyverno, published November 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.