CVE-2026-110865

Renovate before 44.60.1 HTTP Header Allowlist Bypass via Shared Presets

CVSS score

7.1

EPSS probability

%0.2

Risk score

0.0

Published

19 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

CVE-2026-110865: Renovate HTTP Header Allowlist Bypass via Shared Presets

Sources read

Source agreement

0/2

Evidence confidence

%53

Short explanation

Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repository users to evade allowedHeaders restrictions by placing hostRules headers inside shared presets.

Why does it matter?

This vulnerability allows attackers to inject custom HTTP headers through internal or external presets into requests sent to other hosts, impacting security boundaries.

What should be done?

Follow the vendor security advisory
Review shared presets
Update affected components

Note on uncertainty

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Chain of evidence and sources2 verified claims

Renovate 44.60.1 öncesi sürümler, paylaşılan ön ayarlar üzerinden HTTP üst bilgisi beyaz liste atlatma açığı barındırmaktadır.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Saldırganlar, doğrulanmamış hostRules[].headers içeren ön ayarlar sağlayarak harici hostlara gönderilen isteklere özel HTTP üst bilgileri enjekte edebilir.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Show the technical text from the sources

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.

CVSS vector: 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

CWE: CWE-424

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-110865 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	renovatebot	renovate	View
2	mend	renovate-ce	View
3	mend	renovate-ee-server	View
4	mend	renovate-ee-worker	View
5	mend	mend-renovate-ce helm chart	View
6	mend	mend-renovate-enterprise-edition helm chart	View

Total affected vendors: 2|Products: 6

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
7.1	CVSS V31	HIGH	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N	NVD
7.1	CVSS V40	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD
7.1	CVSS V4_0	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	CVE CNA
7.1	CVSS V3_1	HIGH	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N	CVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-110865 is associated with the following CWEs:

CWE-424: Common Weakness Enumeration Entry CWE-424

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-110865 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsLow

UserGerekmiyor

Official Sources and Advisories

GitHub Security Advisory (GHSA-6j6f-fh7w-vvjr)vendor-advisory VulnCheck Advisory: Renovate before 44.60.1 HTTP Header Allowlist Bypass via Shared Presetsvendor-advisory

CVSS Vector Radar Chart

7.1 / 10

Vulnerability Scoring Details

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

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow privileges

User InteractionNone required

Confidentiality (Gizlilik)High

Integrity (Bütünlük)None

Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

renovatebot

mend

Weakness Type (CWE & CAPEC)

CWE-424

Similar Vulnerabilities

8.5

CVE-2026-88889

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