{"id":"CVE-2026-106496","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-106496","generatedAt":"2026-10-28T00:59:57.207Z","title":"Prior to 3.9.1, the @backstage/plugin-catalog-backend package is affected by inconsistent enforcement of allowed location types during catalog processing.","description":"Backstage is an open framework for building developer portals. Prior to 3.9.1, the @backstage/plugin-catalog-backend package is affected by inconsistent enforcement of allowed location types during catalog processing. Under certain configurations, the catalog backend could process location types that were not intended to be allowed, potentially leading to unintended file access on the backend host. This issue is fixed in version 3.9.1.","published":"2026-10-06T22:17:04.000Z","lastModified":"2026-10-16T15:33:48.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-22","CWE-863"],"affected":["linuxfoundation/backstage plugin-catalog-backend","linuxfoundation/backstage"],"epss":{"score":0.00244,"percentile":0.15429,"date":"2026-10-26","history":[{"date":"2026-10-07","score":0.00211,"percentile":0.10438}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-16T17:00:51.000Z","detail":{"from":"3.1","score":"6.5","severity":"MEDIUM","fromSeverity":"LOW"},"summary":"Now scored CVSS 6.5 MEDIUM (was 3.1)."},{"kind":"new","label":"New CVE","at":"2026-10-06T22:17:04.000Z","detail":{"score":"3.1","severity":"LOW","publishedAt":"2026-10-06T22:17:04.407Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://github.com/backstage/backstage/commit/23774b61560d851bc69cd6a77d12561b24d11afd","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/backstage/backstage/releases/tag/v1.54.6","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/backstage/backstage/security/advisories/GHSA-pcmq-25r3-5w9v","tags":["Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-106496","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}