CVE-2026-26056 HIGH

CVE-2026-26056: Arbitrary WASM Code Execution via AnnotationOverrideFlight Injection in Yoke ATC

Vendor Yokecd
Product yoke
Weakness CWE-94 · Code injection
Published February 12, 2026
Last update February 12, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Yoke is a Helm-inspired infrastructure-as-code (IaC) package deployer. In 0.19.0 and earlier, a vulnerability exists in the Air Traffic Controller (ATC) component of Yoke. It allows users with CR create/update permissions to execute arbitrary WASM code in the ATC controller context by injecting a malicious URL through the overrides.yoke.cd/flight annotation. The ATC controller downloads and executes the WASM module without proper URL validation, enabling attackers to create arbitrary Kubernetes resources or potentially escalate privileges to cluster-admin level.

Key dates

02Disclosure timeline

February 12, 2026 CVE published
February 12, 2026 Record updated