CVE-2026-41323 Kyverno: ServiceAccount token leaked to external servers via apiCall service URL

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.18.0-rc1, 1.17.2-rc1, and 1.16.4, Kyverno's apiCall feature in ClusterPolicy automatically attaches the admission controller's ServiceAccount token to outgoing HTTP requests. The service URL has n...

EUVD-2026-25389

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.18.0-rc1, 1.17.2-rc1, and 1.16.4, Kyverno's apiCall feature in ClusterPolicy automatically attaches the admission controller's ServiceAccount token to outgoing HTTP requests. The service URL has n...

EUVD-2026-25382

Kyverno is a policy engine designed for cloud native platform engineering teams. The patch for CVE-2026-22039 fixed cross-namespace privilege escalation in Kyverno's apiCall context by validating the URLPath field. However, the ConfigMap context loader has the identical vulnerability — the...

Kyverno 信息泄露漏洞

Kyverno is an open-source strategy engine designed for Kubernetes. Kyverno has a vulnerability related to information leakage, which stems from the apiCall function’s automatic attachment of ServiceAccount tokens, potentially causing the entire cluster to be compromised. The following versions ar...

CVE-2026-41323: Exposure of Sensitive Information to an Unauthorized Actor

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.18.0-rc1, 1.17.2-rc1, and 1.16.4, Kyverno's apiCall feature in ClusterPolicy automatically attaches the admission controller's ServiceAccount token to outgoing HTTP requests. The service URL has n...

CVE-2026-40868

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to 1.16.4, kyverno’s apiCall servicecall helper implicitly injects Authorization: Bearer ... using the kyverno controller serviceaccount token when a policy does not explicitly set an Authorization header...

CVE-2026-40868 kyverno apicall servicecall implicit bearer token injection leaks kyverno serviceaccount token

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to 1.16.4, kyverno’s apiCall servicecall helper implicitly injects Authorization: Bearer ... using the kyverno controller serviceaccount token when a policy does not explicitly set an Authorization header...

CVE-2026-40868: Insecure Storage of Sensitive Information

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to 1.16.4, kyverno’s apiCall servicecall helper implicitly injects Authorization: Bearer ... using the kyverno controller serviceaccount token when a policy does not explicitly set an Authorization header...

GHSA-F9G8-6PPC-PQQ4 Kyverno: ServiceAccount token leaked to external servers via apiCall service URL

Summary Kyverno's apiCall feature in ClusterPolicy automatically attaches the admission controller's ServiceAccount token to outgoing HTTP requests. The service URL has no validation — it can point anywhere, including attacker-controlled servers. Since the admission controller SA has permissions ...

Kyverno: ServiceAccount token leaked to external servers via apiCall service URL

Summary Kyverno's apiCall feature in ClusterPolicy automatically attaches the admission controller's ServiceAccount token to outgoing HTTP requests. The service URL has no validation — it can point anywhere, including attacker-controlled servers. Since the admission controller SA has permissions ...

PT-2026-34846

Name of the Vulnerable Software and Affected Versions Kyverno versions prior to 1.18.0 Kyverno versions prior to 1.17.2 Kyverno versions prior to 1.16.4 Description The apiCall feature in ClusterPolicy automatically attaches the admission controller's ServiceAccount token to outgoing HTTP request...

PT-2026-84158

Name of the Vulnerable Software and Affected Versions Kyverno versions prior to 1.16.4 Description In apiCall service mode, the admission controller automatically attaches its ServiceAccount token to outbound HTTP requests when explicit authorization headers are absent. This allows an attacker to...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the APICall feature. An attacker can access sensitive internal resources and exfiltrate confidential data by supplying arbitrary URLs to the APICall feature, which are executed with elevated privilege...

Kyverno APICall SSRF Vulnerability Leading to Multi-Tenant Isolation Breach

Summary Kyverno's APICall feature contains a Server-Side Request Forgery SSRF vulnerability that allows users with Policy creation permissions to access arbitrary internal resources through Kyverno's high-privilege ServiceAccount. In multi-tenant Kubernetes environments, this constitutes a classi...

Kyverno has unrestricted outbound requests in Kyverno apiCall enabling SSRF

Summary A Server-Side Request Forgery SSRF vulnerability in Kyverno allows authenticated users to induce the admission controller to send arbitrary HTTP requests to attacker-controlled endpoints. When a ClusterPolicy uses apiCall.service.url with variable substitution e.g. request.object.,...

BIT-KYVERNO-2026-22039 Kyverno Cross-Namespace Privilege Escalation via Policy apiCall

Kyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3 have a critical authorization boundary bypass in namespaced Kyverno Policy apiCall. The resolved urlPath is executed using the Kyverno admission controller ServiceAccount, with no...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via apiCall. An attacker can gain unauthorized access to sensitive resources and escalate privileges via malicious urlPath values that cause the system to perform Kubernetes API requests outside the...

CVE-2026-22039 Kyverno Cross-Namespace Privilege Escalation via Policy apiCall

Kyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3 have a critical authorization boundary bypass in namespaced Kyverno Policy apiCall. The resolved urlPath is executed using the Kyverno admission controller ServiceAccount, with no...

CVE-2026-22039 Kyverno Cross-Namespace Privilege Escalation via Policy apiCall

Kyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3 have a critical authorization boundary bypass in namespaced Kyverno Policy apiCall. The resolved urlPath is executed using the Kyverno admission controller ServiceAccount, with no...

CVE-2026-22039 Kyverno Cross-Namespace Privilege Escalation via Policy apiCall

Kyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3 have a critical authorization boundary bypass in namespaced Kyverno Policy apiCall. The resolved urlPath is executed using the Kyverno admission controller ServiceAccount, with no...