CVE-2026-29184
Low · 2.0CVSS
2.0
EPSS
0.3%
Published
Mar 7, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | @backstage/plugin-scaffolder-backend | 0 | 3.1.4 |
Related vulnerabilities
- GHSA-8qp7-fhr9-fw53 @backstage/plugin-scaffolder-backend Vulnerable to Potential Session Token Exfiltration… Same vulnerability
- CVE-2026-32237 Backstage is an open framework for building developer portals. Also affects @backstage/plugin-scaffolder-backend
- GHSA-8wq8-6859-qx77 @backstage/plugin-scaffolder-backend: Possible exposure of defaultEnvironment secrets… Also affects @backstage/plugin-scaffolder-backend
- CVE-2026-24046 Backstage is an open framework for building developer portals. Also affects @backstage/plugin-scaffolder-backend
- GHSA-rq6q-wr2q-7pgp Backstage has a Possible Symlink Path Traversal in Scaffolder Actions Also affects @backstage/plugin-scaffolder-backend
- CVE-2026-16648 Insertion of Sensitive Information into Log File vulnerability in Drupal Mailer Plus Log… CWE-532
- CVE-2026-104872 OpenTelemetry JavaScript Contrib provides instrumentation libraries for collecting… CWE-532
- CVE-2026-81870 OpenTelemetry-Go is the Go implementation of OpenTelemetry. CWE-532