CVE-2026-76227

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