---
id: CVE-2026-110865
title: >-
  Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows
  repository users to evade the allowedHeaders restriction by placing hostRules
  headers inside shared presets
summary: >-
  Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows
  repository users to evade the allowedHeaders restriction by placing hostRules
  headers inside shared presets. Attackers can supply internal or externally
  sourc…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N'
cwe:
  - CWE-424
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T23:17:28.110'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-110865'
references:
  - url: >-
      https://github.com/renovatebot/renovate/security/advisories/GHSA-6j6f-fh7w-vvjr
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/renovate-before-44.60.1-http-header-allowlist-bypass-via-shared-presets
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-15T00:02:07.187Z'
---

## Overview

Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repository users to evade the allowedHeaders restriction by placing hostRules headers inside shared presets. Attackers can supply internal or externally sourced presets with unvalidated hostRules[].headers to inject custom HTTP headers into requests Renovate sends to other hosts.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.