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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (20.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/renovatebot/renovate/security/advisories/GHSA-5vjq-5jmg-39xq (vendor-advisory)
- www.vulncheck.com/advisories/renovate-through-remote-code-execution-via-lockfil… (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.