CVE-2026-76230: Improper Neutralization of Special Elements used in a Command ('Command Injection') in renovatebot renovate
Description
Renovate versions from 35.63.0 up to but not including 40.33.0 contain a command injection vulnerability in the npm manager. This vulnerability allows attackers with repository write access to craft malicious Renovate configuration files that execute arbitrary commands on the host running Renovate. The root cause is improper sanitization of user-supplied packageName values appended to npm install commands.
CVSS v4.0
Score 8.4high
Affected software
renovatebot
renovate
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-76230 is a command injection vulnerability affecting renovatebot's Renovate tool in versions >=35.63.0 and <40.33.0. The flaw arises from insufficient sanitization of packageName inputs used in npm install commands within the npm manager component. An attacker with write access to a repository can exploit this by creating malicious Renovate configuration files that execute arbitrary commands on the host system running Renovate.
Potential Impact
Successful exploitation allows an attacker with repository write permissions to execute arbitrary commands on the host running Renovate, potentially leading to full system compromise or unauthorized actions on the host environment.
Mitigation Recommendations
A fix is available in Renovate version 40.33.0 and later. Users should upgrade to version 40.33.0 or newer to remediate this vulnerability. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-19T11:36:02.573Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a85bc7eacd9273b492f4a02
Added to database: 08/19/2026, 14:23:58 UTC
Last enriched: 10/03/2026, 17:33:01 UTC
Last updated: 10/04/2026, 10:02:29 UTC
Views: 61
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