Kyverno from 1.17.0 before 1.19.2 contains a privilege escalation vulnerability that allows namespace-scoped tenants to modify resources in other…
Kyverno from 1.17.0 before 1.19.2 contains a privilege escalation vulnerability that allows namespace-scoped tenants to modify resources in other namespaces through NamespacedMutatingPolicy targetMatchConstraints.expression CEL output lacking namespace checks. Attackers can emit a literal target such as another tenant's RoleBinding, which the cluster-wide background controller then mutates to add attacker subjects or alter Roles, NetworkPolicies, and ConfigMaps.
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-269
- 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-2026-122313 on this site · NVD · CVE.org · Vulnpedia
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