CVE-2026-29184
@backstage/plugin-scaffolder-backend: Potential Session Token Exfiltration via Log Redaction Bypass
CVSS Score
2.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-532 |
| Vendor | backstage |
| Product | backstage |
| Published | Mar 7, 2026 |
| Last Updated | Mar 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
backstage / backstage
< 3.1.4