CVE-2026-29184 LOW

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

Vendor Backstage
Product backstage
Weakness CWE-532 · Sensitive info in logs
Published March 7, 2026
Last update March 9, 2026
View on NVD All CVEs

CVSS base score

2.0/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 7, 2026 CVE published
March 9, 2026 Record updated