@backstage/plugin-scaffolder-backend: Potential Session Token Exfiltration via Log Redaction Bypass (backstage backstage)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.28 % · percentile 20 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitHub_M
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-532 — Insertion of Sensitive Information into Log File
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | LOW 2.0 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N | GitHub_M |
| CVSS 3.1 | LOW 2.0 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N | NVD · security-advisories@github.com (Secondary) |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-8qp7-fhr9-fw53 — @backstage/plugin-scaffolder-backend Vulnerable to Potential Session Token Exfiltration via Log Redaction Bypass
European references
- ENISA EUVD · EUVD-2026-10144
- GCVE · GCVE-0-2026-29184
Affected configurations (NVD CPE)
cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend:*:*:*:*:*:*:*:*< 3.1.4
Affected products
| Product | Versions |
|---|---|
| backstage · backstage | affected < 3.1.4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |