What is CVE-2026-76229?

CVE-2026-76229 is a medium-severity vulnerability in Renovatebot Renovate, classified under Command Injection. CVSS score: 6.7/10. Published 2026-08-19.

How severe is CVE-2026-76229?

Medium severity. CVSS v3 base score is 6.7 out of 10.

RCE in Renovatebot Renovate

CVE-2026-76229

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.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Renovatebot Renovate

Weakness classification (CWE)

CWE-77 — Command Injection

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-76229?: CVE-2026-76229 is a medium-severity vulnerability in Renovatebot Renovate, classified under Command Injection. CVSS score: 6.7/10. Published 2026-08-19.
How severe is CVE-2026-76229?: Medium severity. CVSS v3 base score is 6.7 out of 10.