CVE-2026-122304
Kyverno from 1.17.0 before 1.19.2 contains an authorization bypass vulnerability that allows…
- Risk score
- 59/100
- CVSS
- 9.9 v3.1
- Published
- 5 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Kyverno from 1.17.0 before 1.19.2 contains an authorization bypass vulnerability that allows namespace admins to escape namespace confinement because the cleanup controller builds its context loader with a nil policy. Attackers can create a namespaced CleanupPolicy with apiCall or globalReference context entries to re…
- Affected
- See advisory
- Fix
- Upgrade the product to 1.19.2 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 9.9 critical
References
Original description
Kyverno from 1.17.0 before 1.19.2 contains an authorization bypass vulnerability that allows namespace admins to escape namespace confinement because the cleanup controller builds its context loader with a nil policy. Attackers can create a namespaced CleanupPolicy with apiCall or globalReference context entries to read cross-namespace Secrets and modify validatingwebhookconfigurations using the cleanup controller's ServiceAccount.
Last activity 5 Nov 2026. Patch Forecast updates every hour.