Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-106502

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 19.4%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-106502


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