CVE-2026-110865
Renovate before 44.60.1 HTTP Header Allowlist Bypass via Shared Presets
- State
- Published
- Severity
- 7.1 High
- Published
- Oct 14, 2026
- Updated
- Oct 26, 2026
- Reserved
- Oct 14, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N | VulnCheck |
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N | VulnCheck |
Weaknesses
- CWE-424 Improper Protection of Alternate Path
Affected Products
| Product | Versions |
|---|---|
renovaterenovatebot |
|
renovate-cemend |
|
renovate-ee-servermend |
|
renovate-ee-workermend |
|
mend-renovate-ce helm chartmend |
|
mend-renovate-enterprise-edition helm chartmend |
|
References
- GitHub Security Advisory (GHSA-6j6f-fh7w-vvjr)vendor-advisory
- VulnCheck Advisory: Renovate before 44.60.1 HTTP Header Allowlist Bypass via Shared Presetsthird-party-advisory
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