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Backstage: Incorrect authorization in scaffolder task listing

Type: advisorySource: Official CVE List1 source record

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by incorrect authorization in scaffolder task listing. An authenticated internal user may be able to view metadata for scaffolder tasks outside the visibility intended by a deployment's permission policy. Stored task secrets are not included in the affected response, and no integrity or availability impact was identified. This issue is fixed in version 4.1.0.

Announced Source revision 1
Original source ↗

CVE-2026-106461

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-106461

backstage

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

plugin-scaffolder-backend

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "backstage",
    "product": "backstage",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.54.6"
      }
    ]
  },
  {
    "vendor": "@backstage",
    "product": "plugin-scaffolder-backend",
    "versions": [
      {
        "status": "affected",
        "version": "< 4.1.0"
      }
    ]
  }
]
Related CVEs
CVE-2026-106461

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#11970 · Revision 1
Added to Heist Feed
Publisher date
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