What’s Vulnerable › Vulnerabilities

CVE-2026-76231: Renovate 32.135.0 before 40.33.0 Command Injection via hermit

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-19 · updated 2026-09-08
• Weakness: CWE-77

Description

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.

Affected products

• renovatebot renovate: from 32.135.0 before 40.33.0 — fixed in 40.33.0

How to fix

Upgrade to a fixed version: renovatebot renovate 40.33.0. Check the vendor advisory for mitigations.

References

• https://github.com/renovatebot/renovate/commit/41e8b99f86a6e2a56f80f7aa1a08a59d76f2358c
• https://github.com/renovatebot/renovate/commit/a70a6a376d31148e80be5a5c885ac33ff5ddb30c
• https://github.com/renovatebot/renovate/commit/b696abb3c2741508fbb4029f39153140a3722e1e
• https://github.com/renovatebot/renovate/commit/eaec10d7c8afadbdd783ac47bd2adbfab444d6df
• https://github.com/renovatebot/renovate/security/advisories/GHSA-36j9-mx87-2cff
• https://www.vulncheck.com/advisories/renovate-before-command-injection-via-hermit
• https://github.com/renovatebot/renovate/security/advisories/GHSA-36j9-mx87-2cff

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