npm/@backstage/plugin-scaffolder-backend CVE-2026-106504: medium 6.5, EPSS 0.26%

Backstage has sensitive information exposure in scaffolder task logs

Action: Upgrade @backstage/plugin-scaffolder-backend to 4.1.0 or later.

npm i @backstage/plugin-scaffolder-backend@4.1.0

Affected

Fixed versions

Sources

• osv: GHSA-4xvq-3m68-h444
• https://github.com/backstage/backstage/security/advisories/GHSA-4xvq-3m68-h444
• https://nvd.nist.gov/vuln/detail/CVE-2026-106504
• https://github.com/backstage/backstage/commit/3eb3dc59eb0da0deccd532f19eb460bb452c9efb
• https://github.com/backstage/backstage
• https://github.com/backstage/backstage/releases/tag/v1.54.6

CVE-2026-106504 · published 2026-10-07T16:24:29Z · modified 2026-10-07T16:30:05.290352985Z · JSON