CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.apply(namespace, resources) with an arbitrary target namespace. The validation in pkg/cel/policies/mpol/validate.go checks that the policy compiles but does not enforce namespace scope, and GenerateResources in pkg/cel/libs/context.go does not reject the cross-namespace target. A user who can create NamespacedMutatingPolicy objects in one namespace can cause the admission controller, operating with cluster-wide privileges, to create ConfigMaps, NetworkPolicies, Secrets, RoleBindings, and other resources in another namespace, enabling unauthorized modification and potential privilege escalation. This issue is fixed in version 1.18.2.
Засегнати продукти
- kyverno kyverno: >= 1.18.0, < 1.18.2
Вид слабост
История
- 26 август 2026 Публикувано
Други уязвимости в kyverno kyverno
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-54523
- https://nvd.nist.gov/vuln/detail/CVE-2026-54523
- https://github.com/kyverno/kyverno/security/advisories/GHSA-79gf-7frw-68m9
- https://github.com/kyverno/kyverno/pull/16238
- https://github.com/kyverno/kyverno/commit/0919553c0ea1904f8d891280c92018da97946a06
- https://github.com/kyverno/kyverno/commit/5164bcdeda5b57678bc2d7a03ecc2cbb02982dae
- https://github.com/kyverno/sdk/commit/6573937441443e1ba5af9fbb28d5c0f20297f9df
- https://github.com/kyverno/kyverno/releases/tag/v1.18.2