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CVE-2026-110865— Renovate before 44.60.1 HTTP Header Allowlist Bypass via Shared Presets

Quick assessment

Affected
renovatebot renovate
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Renovate 44.60.1 之前的版本存在一个白名单绕过漏洞，允许存储库用户通过在共享预设中放置 hostRules 头信息来规避 allowedHeaders 限制。攻击者可以提供内部或外部来源的预设，其中包含未经验证的 hostRules[].headers，从而向 Renovate 发送给其他主机的请求中注入自定义 HTTP 头信息。

CVSS 7.1 · High EPSS 0.18% · P8

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProduct Version RangeStatus
mend mend-renovate-ce helm chart < 15.5.0 affected
mend mend-renovate-enterprise-edition helm chart < 10.5.0 affected
mend renovate-ce < 15.5.0 affected
mend renovate-ee-server < 15.5.0 affected
mend renovate-ee-worker < 15.5.0 affected
renovatebot renovate < 44.60.1 affected
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I. Basic Information for CVE-2026-110865

Vulnerability Information
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Vulnerability Title
Renovate before 44.60.1 HTTP Header Allowlist Bypass via Shared Presets
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对候选路径的不恰当保护
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
renovatebot renovate 0 ~ 44.60.1 -
mend renovate-ce 0 ~ 15.5.0 -
mend renovate-ee-server 0 ~ 15.5.0 -
mend renovate-ee-worker 0 ~ 15.5.0 -
mend mend-renovate-ce helm chart 0 ~ 15.5.0 -
mend mend-renovate-enterprise-edition helm chart 0 ~ 10.5.0 -

II. Public POCs for CVE-2026-110865

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-110865

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Other References for CVE-2026-110865 (2)

Same Patch Batch · renovatebot · 2026-10-14 · 4 CVEs total

CVE-2026-110867 8.5 HIGH Renovate before 44.60.1 allowedEnv Allowlist Bypass via Shared Preset
CVE-2026-110868 8.5 HIGH Renovate before 44.79.0 SSRF via HTTP Preset URLs and customDatasources
CVE-2026-110866 4.7 MEDIUM Renovate before 44.61.3 minimumReleaseAge Bypass via PR Rebase Request

IV. Related Vulnerabilities

Same product: renovate
Same vendor: renovatebot
Same weakness: CWE-424

V. Comments for CVE-2026-110865

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