CVE-2026-106502

{"id": "CVE-2026-106502", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-106502", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T15:08:57.835240Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.6}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "backstage", "product": "backstage", "versions": [{"status": "affected", "version": "< 1.54.6"}]}, {"vendor": "@backstage", "product": "plugin-scaffolder-backend", "versions": [{"status": "affected", "version": "< 4.1.0"}]}]}], "published": "2026-10-06T22:17:05.373", "references": [{"url": "https://github.com/backstage/backstage/commit/3f1e869708f002fb9838624b7379deb251691b47", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/backstage/backstage/releases/tag/v1.54.6", "tags": ["Patch", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/backstage/backstage/security/advisories/GHSA-95p4-vv4g-jxxm", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-532"}]}], "descriptions": [{"lang": "en", "value": "Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package could expose sensitive information in Scaffolder task failure events. Under specific template and failure conditions, an authenticated user may retrieve backend-managed credentials used during task execution from affected task events. This issue is fixed in version 4.1.0."}], "lastModified": "2026-10-13T14:38:07.077", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:backstage\\/plugin-scaffolder-backend:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3B5B4E49-5A0D-4578-B1C3-AA1D17BFFFF2", "versionEndExcluding": "4.1.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "630B6B8B-D515-4FEF-83C7-9CF51C7EB2F5", "versionEndExcluding": "1.54.6"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}