Kyverno from 1.17.0 before 1.19.2 contains an authorization bypass vulnerability that allows namespace admins to escape namespace confinement because…
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.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Kyverno
- Product
- kyverno
- CVSS v3.1
- 9.9 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weakness
- CWE-863
- NVD status
- Received
Why it ranks 33 (Notable)
- CVSS v3.1 9.9 critical
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-122304 on this site · NVD · CVE.org · Vulnpedia
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