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CVE-2026-76227 Details

Description

Renovate versions from 42.68.1 before 42.96.3 (and from 42.68.1 before 43.4.4), including corresponding Docker images (renovate/renovate, mend/renovate-ce, renovate-ee-server, renovate-ee-worker >=13.3.0 <13.6.0), fail to restrict environment variables to an allowlist when spawning child processes. As a result, child processes (e.g. npm install, postUpgradeTasks, postUpdateOptions) gain full access to all environment variables of the Renovate process, allowing insider or outside attackers to exfiltrate secrets accessible to the Renovate deployment.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/renovatebot/renovate/security/advisories/GHSA-8wc6-vgrq-x6cf	[email protected]
https://www.vulncheck.com/advisories/renovate-before-environment-variable-exposure	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-526	Cleartext Storage of Sensitive Information in an Environment Variable	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Aug 25, 2026	CVE Modified	CISA-ADP
Aug 19, 2026	New CVE Received	[email protected]