What is CVE-2026-76231?

CVE-2026-76231 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-2026-76231?

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

RCE in Renovatebot Renovate

CVE-2026-76231

Renovate versions from 32.135.0 before 40.33.0 contain a command injection vulnerability in the hermit manager where user-provided dependency names are appended to install and uninstall commands without proper sanitization. Attackers with repository write access can provide maliciously named hermit dependencies to execute arbitrary commands on the machine running Renovate.

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

Frequently asked questions

What is CVE-2026-76231?: CVE-2026-76231 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-2026-76231?: Medium severity. CVSS v3 base score is 6.7 out of 10.