Disclosure summary
### Impact Under specific template and failure conditions, an authenticated user may be able to retrieve sensitive values from Scaffolder task events. This can expose backend-managed credentials used during task execution. ### Patches Patched in `@backstage/plugin-scaffolder-backend` version `4.1.0` ### Workarounds - Restrict Scaffolder template execution and task-event access to trusted users until the patched version is deployed.
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
GitHub Reviewed Security Advisories · GHSA-95p4-vv4g-jxxm
Open original source · Updated Oct 07, 2026
Backstage may expose sensitive information in Scaffolder task failure events
Source severity: MEDIUM / 0
| Ecosystem | Package | Affected range | First patched |
|---|---|---|---|
| npm | @backstage/plugin-scaffolder-backend | < 4.1.0 | 4.1.0 |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Reviewed advisory
PUBLISHED 2026-10-07T12:24:51-04:00
MODIFIED 2026-10-07T12:24:52-04:00
INGESTED 2026-10-08T12:05:11-04:00