What is CVE-2026-76226?

CVE-2026-76226 is a medium-severity vulnerability in Renovatebot Renovate, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-08-19.

How severe is CVE-2026-76226?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Renovatebot Renovate

CVE-2026-76226

Renovate versions from 43.65.0 before 43.102.11 contain a remote code execution vulnerability in bazel-module and bazelisk managers when using lockFileMaintenance. Attackers can execute arbitrary code by providing malicious dependencies that are referenced in bazel mod deps calls, such as within ctx.execute statements.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H.

Affected products

Renovatebot Renovate

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

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

Frequently asked questions

What is CVE-2026-76226?: CVE-2026-76226 is a medium-severity vulnerability in Renovatebot Renovate, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-08-19.
How severe is CVE-2026-76226?: Medium severity. CVSS v3 base score is 6.3 out of 10.