{"id":"CVE-2026-106560","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-106560","generatedAt":"2026-10-28T01:52:31.394Z","title":"Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected by improper repository path validation in a scaffolder backend module.","description":"Backstage is an open framework for building developer portals. Prior to 0.3.25, the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected by improper repository path validation in a scaffolder backend module. An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. This issue is fixed in version 0.3.25.","published":"2026-10-07T15:17:17.000Z","lastModified":"2026-10-16T15:05:35.000Z","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:N/I:H/A:N"},"cwe":["CWE-22"],"affected":["linuxfoundation/backstage\\/plugin-scaffolder-backend-module-confluence-to-markdown","linuxfoundation/backstage"],"epss":{"score":0.00314,"percentile":0.24145,"date":"2026-10-26","history":[{"date":"2026-10-08","score":0.00329,"percentile":0.23927}]},"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 (0.31%). 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":"7.1","score":"6.5","severity":"MEDIUM","fromSeverity":"HIGH"},"summary":"Now scored CVSS 6.5 MEDIUM (was 7.1)."},{"kind":"new","label":"New CVE","at":"2026-10-07T15:17:17.000Z","detail":{"score":"7.1","severity":"HIGH","publishedAt":"2026-10-07T15:17:17.310Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://github.com/backstage/backstage/commit/5f0000c1d0af05571e357926b3fa33a453337ff0","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-2cmg-v53w-8xfp","tags":["Mitigation","Patch","Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-106560","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."}