RenovateBot Renovate up to 40.32.x Kustomize Manager command injection

Summaryinfo

A vulnerability described as problematic has been identified in RenovateBot Renovate up to 40.32.x. Affected by this vulnerability is an unknown functionality of the component Kustomize Manager. Executing a manipulation can lead to command injection. This vulnerability appears as CVE-2026-76229. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in RenovateBot Renovate up to 40.32.x. It has been declared as problematic. This vulnerability affects an unknown code block of the component Kustomize Manager. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability was named CVE-2026-76229 since 08/19/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 40.33.0 eliminates this vulnerability.

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Productinfo

Vendor

• RenovateBot

Name

• Renovate

Version

• 40.0
• 40.1
• 40.2
• 40.3
• 40.4
• 40.5
• 40.6
• 40.7
• 40.8
• 40.9
• 40.10
• 40.11
• 40.12
• 40.13
• 40.14
• 40.15
• 40.16
• 40.17
• 40.18
• 40.19
• 40.20
• 40.21
• 40.22
• 40.23
• 40.24
• 40.25
• 40.26
• 40.27
• 40.28
• 40.29
• 40.30
• 40.31
• 40.32

Website

• Product: https://github.com/renovatebot/renovate/

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