CVE-2026-106502
mediumBackstage is an open framework for building developer portals.
Vendor / product: Linuxfoundation — backstage\/plugin-scaffolder-backend
Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package could expose sensitive information in Scaffolder task failure events. Under specific template and failure conditions, an authenticated user may retrieve backend-managed credentials used during task execution from affected task events. This issue is fixed in version 4.1.0.
CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N Severity source: NVD CVSS v3.1 (security-advisories@github.com)
Timeline (UTC)
Published: 2026-10-06 22:17
Modified: 2026-10-13 14:38
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:58 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linuxfoundation / backstage\/plugin-scaffolder-backend <4.1.0
linuxfoundation / backstage <1.54.6
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://github.com/backstage/backstage/commit/3f1e869708f002fb9838624b7379deb251691b47
Patch / mitigation: https://github.com/backstage/backstage/releases/tag/v1.54.6
Patch / mitigation: https://github.com/backstage/backstage/security/advisories/GHSA-95p4-vv4g-jxxm
References
- https://github.com/backstage/backstage/commit/3f1e869708f002fb9838624b7379deb251691b47 security-advisories@github.com
- https://github.com/backstage/backstage/releases/tag/v1.54.6 security-advisories@github.com
- https://github.com/backstage/backstage/security/advisories/GHSA-95p4-vv4g-jxxm security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:58 UTC · record ↗