{"id":"CVE-2026-106502","title":"Backstage is an open framework for building developer portals","summary":"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 con…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-532"],"vendor":"backstage","product":"backstage","affected":["backstage < 1.54.6","plugin-scaffolder-backend < 4.1.0"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T22:17:05.373","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-106502","references":[{"url":"https://github.com/backstage/backstage/commit/3f1e869708f002fb9838624b7379deb251691b47","label":"security-advisories@github.com"},{"url":"https://github.com/backstage/backstage/releases/tag/v1.54.6","label":"security-advisories@github.com"},{"url":"https://github.com/backstage/backstage/security/advisories/GHSA-95p4-vv4g-jxxm","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T22:23:15.967Z","slug":"CVE-2026-106502","body":"## Overview\n\nBackstage 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}