CVE-2026-76229

What it is

Renovate versions from 39.218.0 before 40.33.0 contain an arbitrary command injection vulnerability in the kustomize manager where user-provided chart names are appended to helm pull commands without proper sanitization. Attackers with repository write access can craft malicious kustomization.yaml files with specially crafted chart names to execute arbitrary commands on the Renovate host machine.

At a glance

Exploitability

Can be exploited locally on the machine with an admin-level account. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.0% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-08-19 14:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-09-08 20:28 UTC Last updatedMost recent change to the record

Details

Published

2026-08-19 14:17 UTC

Last modified

2026-09-08 20:28 UTC

Exploit probability

1.0% · EPSS, next 30 days

Weakness

CWE-77 · Command injection

Record status

Awaiting Analysis

Attack profile CVSS 4.0 · 8.4

Attack vector

Local

Complexity

Low

Attack requirements

None

Privileges needed

High

User interaction

None

Confidentiality

High

Integrity

High

Availability

High