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OpenAdvisories
Low · 2.0 CVE-2026-29184 EUVD-2026-10144GHSA-8qp7-fhr9-fw53

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

Published Mar 7, 2026 · Updated Mar 9, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
backstage backstage < 3.1.4 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm @backstage/plugin-scaffolder-backend < 3.1.4 3.1.4 GHSA-8qp7-fhr9-fw53

References