CVE-2026-76226: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in renovatebot renovate
Description
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.
CVSS v4.0
Score 6.8medium
Affected software
renovatebot
renovate
pkg:github/renovatebot/renovateRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-76226 is an OS command injection vulnerability in renovatebot's renovate tool affecting versions >=43.65.0 and <43.102.11. The flaw exists in the bazel-module and bazelisk managers during lockFileMaintenance operations, where malicious dependencies can be crafted to execute arbitrary OS commands via ctx.execute statements. This vulnerability allows remote code execution if an attacker can influence the dependencies used in bazel mod deps calls.
Potential Impact
Successful exploitation allows an attacker with high privileges to execute arbitrary code on the system running renovate, potentially leading to full system compromise or unauthorized actions. The CVSS 4.0 score is 6.8 (medium severity), reflecting the requirement for local privileges and limited attack vector but significant impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in renovate versions 43.102.11 and later. Users should upgrade to version 43.102.11 or newer to remediate this vulnerability. No vendor advisory content was provided to contradict this; therefore, upgrading is the recommended mitigation.
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: 6a85bc7aacd9273b492f49c8
Added to database: 08/19/2026, 14:23:54 UTC
Last enriched: 09/30/2026, 01:47:23 UTC
Last updated: 10/04/2026, 10:09:59 UTC
Views: 63
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