Contour has Lua code injection via Cookie Path Rewrite Policy

Impact Contour's Cookie Rewriting feature is vulnerable to Lua code injection. An attacker with RBAC permissions to create or modify HTTPProxy resources can craft a malicious value in the following fields that results in arbitrary code execution in the Envoy proxy: -...

CVE-2026-41246

A flaw was found in Contour, a Kubernetes ingress controller. An attacker with Role-Based Access Control RBAC permissions to manage HTTPProxy resources can exploit a Lua code injection vulnerability within Contour's Cookie Rewriting feature. By crafting a malicious value in specific configuration...

Contour 代码注入漏洞

Contour is an open-source Kubernetes ingress controller that uses Envoy proxies. Versions of Contour from v1.19.0 to v1.33.4, v1.32.5 before v1.32.5, and v1.31.6 before v1.31.6 had a code injection vulnerability. This vulnerability stemmed from the Cookie rewriting feature, which was vulnerable t...