PatchTheCVECVE-2026-122307: Kyverno before 1.19.2 contains a policy bypass vulnerability in the admissionpolicygenerator controller, which
CVE-2026-122307 is a high-severity flaw (CVSS 7.7) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Kyverno before 1.19.2 contains a policy bypass vulnerability in the admissionpolicygenerator controller, which folds PolicyExceptions into generated ValidatingAdmissionPolicies while ignoring the --enablePolicyException, --exceptionNamespace, and policy kind gates. Users with namespaced create rights on PolicyExceptions can inject negated matchConditions into the generated policies to admit violating resources, bypassing cluster-wide enforcement.
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.7 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | n/a |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2026-11-05 |
| Last modified | 2026-11-05 |
Last updated 2026-11-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- VulDB Recent Entries: CVE-2026-122307 | Kyverno up to 1.19.1 admissionpolicygenerator controller privileges management 2026-11-05
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-122307?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-122307 being exploited?
CVE-2026-122307 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-122307 affect?
CVE-2026-122307 affects affected software. Severity is high (CVSS 7.7). Kyverno before 1.19.2 contains a policy bypass vulnerability in the admissionpolicygenerator controller, which folds PolicyExceptions into generated ValidatingAdmissionPolicies while ignoring the --enablePolicyException, --exceptionNamespac
How urgent is CVE-2026-122307?
Priority 27/100. High severity