CVE-2026-106497

{"id": "CVE-2026-106497", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-106497", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T16:19:14.828108Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "backstage", "product": "backstage", "versions": [{"status": "affected", "version": "< 1.54.6"}]}, {"vendor": "@backstage", "product": "plugin-catalog-backend", "versions": [{"status": "affected", "version": "< 3.9.1"}]}]}], "published": "2026-10-06T22:17:04.560", "references": [{"url": "https://github.com/backstage/backstage/commit/21424faa2e280a6bc6b9e5c5245952f16aafca7b", "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-8429-xpcj-3cg5", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-178"}, {"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "Backstage is an open framework for building developer portals. Prior to 3.9.1, the @backstage/plugin-catalog-backend package is affected by inconsistent catalog property permission evaluation. In deployments that use affected value-based catalog permission conditions as a confidentiality boundary, an authenticated user could receive catalog entity data that policy authors intended to restrict. This issue is fixed in version 3.9.1."}], "lastModified": "2026-10-16T15:26:26.157", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:backstage_plugin-catalog-backend:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "3F9B5927-DD07-4AB5-AEF2-BECDCC9D2BF7", "versionEndExcluding": "3.9.1"}], "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"}