CVE-2026-76231

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine with an admin-level account. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.0% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-08-19 14:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-09-08 20:28 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.0% in the next 30 days (EPSS).
• Severity: 8.4 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2026-08-19 14:17 UTC

Last modified

2026-09-08 20:28 UTC

Exploit probability

1.0% · EPSS, next 30 days

Weakness

CWE-77 · Command injection

Record status

Awaiting Analysis

Attack profile CVSS 4.0 · 8.4

Attack vector

Local

Complexity

Low

Attack requirements

None

Privileges needed

High

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-76231.md and follow it. Check whether this project is affected by CVE-2026-76231. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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