CVE-2026-29184

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...

CVE-2026-29184

Summary: CVE-2026-29184 affects Backstage, specifically the @backstage/plugin-scaffolder-backend. Before version 3.1.4, a malicious scaffolder template can bypass the log redaction mechanism, enabling exfiltration of secrets from task event logs. The issue is addressed in version 3.1.4. What is a...

CVE-2026-29184 @backstage/plugin-scaffolder-backend: Potential Session Token Exfiltration via Log Redaction Bypass

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...

@backstage/plugin-scaffolder-backend Vulnerable to Potential Session Token Exfiltration via Log Redaction Bypass

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...

GHSA-8QP7-FHR9-FW53 @backstage/plugin-scaffolder-backend Vulnerable to Potential Session Token Exfiltration via Log Redaction Bypass

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...

PT-2026-23439

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 3.1.4 Description Backstage is a framework for building developer portals. A malicious scaffolder template can bypass the log redaction mechanism, potentially exposing secrets provided through task event logs. The...