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.
Published: 2026-03-07
Score: 2 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-8qp7-fhr9-fw53 @backstage/plugin-scaffolder-backend Vulnerable to Potential Session Token Exfiltration via Log Redaction Bypass
History

Tue, 10 Mar 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-117
References
Metrics threat_severity

None

threat_severity

Low


Mon, 09 Mar 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 09 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Backstage
Backstage backstage
Vendors & Products Backstage
Backstage backstage

Sat, 07 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
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.
Title @backstage/plugin-scaffolder-backend: Potential Session Token Exfiltration via Log Redaction Bypass
Weaknesses CWE-532
References
Metrics cvssV3_1

{'score': 2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N'}


Subscriptions

Backstage Backstage
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-09T20:24:16.597Z

Reserved: 2026-03-04T14:44:00.714Z

Link: CVE-2026-29184

cve-icon Vulnrichment

Updated: 2026-03-09T20:15:42.441Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-07T15:15:55.080

Modified: 2026-03-09T13:35:34.633

Link: CVE-2026-29184

cve-icon Redhat

Severity : Low

Publid Date: 2026-03-07T15:03:18Z

Links: CVE-2026-29184 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-03-09T10:05:23Z

Weaknesses