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Renovate EUVDEUVD-2026-75436

| CVE-2026-88886 HIGH
OS Command Injection (CWE-78)
2026-09-10 VulnCheck GHSA-5m6m-mfxc-qh95
8.5
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.5 HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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
vuln.today AI
7.8 HIGH

Write access to a monitored repository required (PR:L, AV:L); exploitation is mechanically straightforward once config conditions are met; no scope change beyond the Renovate process.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
POC Analysis Generated
Sep 10, 2026 - 15:23 vuln.today
Patch available
Sep 10, 2026 - 14:02 EUVD
Analysis Generated
Sep 10, 2026 - 13:56 vuln.today
CVE Published
Sep 10, 2026 - 13:05 cve.org
HIGH 8.5

DescriptionCVE.org

Renovate is a dependency update automation tool. In versions before 44.14.7 (and in Mend Renovate CE/EE distributions before 15.4.0, and the mend-renovate-enterprise-edition Helm chart before 10.4.0), the manager/gradle-wrapper module does not escape the distributionUrl value read from a repository's gradle/wrapper/gradle-wrapper.properties file before invoking the Gradle Wrapper CLI. In self-hosted deployments configured with binarySource=docker and allowedUnsafeExecutions=['gradleWrapper', ...], a repository that supplies a crafted distributionUrl (for example, appending a shell metacharacter and command) can cause arbitrary commands to be executed as the Renovate user when Renovate processes a Gradle Wrapper update. The issue is fixed in Renovate 44.14.7; as a workaround, remove 'gradleWrapper' from allowedUnsafeExecutions.

AnalysisAI

Command injection in Renovate's Gradle Wrapper manager module allows a repository contributor to execute arbitrary OS commands on self-hosted Renovate instances. Open-source versions before 44.14.7 and Mend Renovate CE/EE before 15.4.0 fail to escape the distributionUrl value read from a repository-controlled gradle/wrapper/gradle-wrapper.properties file before passing it to the Gradle Wrapper CLI, enabling shell metacharacter injection. …

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Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Three simultaneous non-default conditions are required: (1) a self-hosted Renovate deployment - cloud-hosted Mend platform instances are not affected; (2) the `binarySource` configuration option explicitly set to `docker`; and (3) `'gradleWrapper'` explicitly present in the `allowedUnsafeExecutions` array, which is an opt-in, non-default configuration flag acknowledging unsafe behavior. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 8.5 (AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N) correctly reflects that the attacker must have write access to a repository being actively processed by the target Renovate instance, placing this in the local-vector category rather than an open network attack. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Renovate open-source to version 44.14.7 or later, Mend Renovate CE/EE to distribution version 15.4.0 or later, or the mend-renovate-enterprise-edition Helm chart to 10.4.0 or later. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, verify your Renovate deployment version and configuration-specifically check if you're running open-source version before 44.14.7 or Mend Renovate CE/EE before 15.4.0 with docker binarySource and gradleWrapper enabled in allowedUnsafeExecutions. …

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EUVD-2026-75436 vulnerability details – vuln.today

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