CVE-2026-106502EPSS p19.2%
CVE-2026-106502CVE-2026-106502
Description
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.
Scoring
| CVSS | 5.3 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 0.28% probability of exploitation · percentile 19.2% · 2026-10-10T12:00:23Z |
| Last modified | 2026-10-07 |