Kurz gesagt
- CVE-2026-29184 ist eine Schwachstelle (MITTEL (CVSS 6.5)) in backstage/plugin-scaffolder-backend (linuxfoundation), @backstage/plugin-scaffolder-backend.
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.28%, höher als bei 20.3% aller Schwachstellen.
- Abhilfe: auf 3.1.4 oder neuer aktualisieren.
Description
Impact
A malicious scaffolder template can bypass the log redaction mechanism to exfiltrate secrets provided run through task event logs.
The attack requires:
- The ability to register a template in the catalog
- A victim who executes the malicious template
Patches
Patched in @backstage/plugin-scaffolder-backend version 3.1.4
Workarounds
- Implement a custom permission policy that restricts scaffolder.task.read so users can only read their own task logs
- Restrict who can register templates in the catalog to trusted users only
Resources
NVD description
Backstage is an open framework for building developer portals. Prior to version 3.1.4, a malicious scaffolder template can bypass the log redaction mechanism to exfiltrate secrets provided run through task event logs. This issue has been patched in version 3.1.4.
Weitere Schwachstellen in backstage/plugin-scaffolder-backend
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