Medium [CVE-2026-76231] Arbitrary command execution via unsanitized dependency names
This medium-severity Red Hat Linux advisory covers CVE-2026-76231.
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Summary
A flaw was found in Renovate. Attackers with repository write access can exploit a command injection vulnerability in the hermit manager.
This occurs because user-provided dependency names are not properly sanitized when appended to install and uninstall commands. Successful exploitation allows an attacker to execute arbitrary commands on the machine running Renovate.
This flaw has a MODERATE impact on Renovate. The version of Renovate shipped by Red Hat is beyond the upstream fix (40.33.0); the vulnerable hermit-manager code is not present in the shipped version, so Red Hat's product is not affected.
Red Hat severity: Moderate — CVSS 6.7 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-78.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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