{"id":"CVE-2026-76227","sourceIdentifier":"disclosure@vulncheck.com","published":"2026-08-19T14:17:49.307","lastModified":"2026-10-08T16:17:42.423","vulnStatus":"Awaiting Analysis","cveTags":[],"descriptions":[{"lang":"en","value":"Renovate versions from 42.68.1 before 42.96.3 and from 43.0.0 before 43.4.4, including the renovate/renovate Docker images, and Mend Renovate CE/EE images (renovate-ce, renovate-ee-server, renovate-ee-worker) from 13.3.0 before 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."}],"affected":[{"source":"disclosure@vulncheck.com","affectedData":[{"vendor":"renovatebot","product":"renovate","defaultStatus":"unaffected","packageURL":"pkg:npm/renovate","versions":[{"version":"42.68.1","lessThan":"42.96.3","versionType":"semver","status":"affected"},{"version":"42.96.3","versionType":"semver","status":"unaffected"},{"version":"43.0.0","lessThan":"43.4.4","versionType":"semver","status":"affected"},{"version":"43.4.4","versionType":"semver","status":"unaffected"}]},{"vendor":"mend","product":"renovate-ce","defaultStatus":"unaffected","packageURL":"pkg:npm/renovate","versions":[{"version":"13.3.0","lessThan":"13.6.0","versionType":"semver","status":"affected"},{"version":"13.6.0","versionType":"semver","status":"unaffected"}]},{"vendor":"mend","product":"renovate-ee-server","defaultStatus":"unaffected","packageURL":"pkg:npm/renovate","versions":[{"version":"13.3.0","lessThan":"13.6.0","versionType":"semver","status":"affected"},{"version":"13.6.0","versionType":"semver","status":"unaffected"}]},{"vendor":"mend","product":"renovate-ee-worker","defaultStatus":"unaffected","packageURL":"pkg:npm/renovate","versions":[{"version":"13.3.0","lessThan":"13.6.0","versionType":"semver","status":"affected"},{"version":"13.6.0","versionType":"semver","status":"unaffected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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","baseScore":6.8,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-25T01:58:10.379378Z","id":"CVE-2026-76227","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"disclosure@vulncheck.com","type":"Secondary","description":[{"lang":"en","value":"CWE-526"}]}],"references":[{"url":"https://github.com/renovatebot/renovate/security/advisories/GHSA-8wc6-vgrq-x6cf","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/renovate-before-environment-variable-exposure","source":"disclosure@vulncheck.com"}]}