GHSA-29gx-h2m3-xw44Published

Backstage: Scaffolder credential handling may allow unintended GitHub authentication fallback

cve-program · CVE-2026-106462

Published

backstage

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "backstage",
                    "product": "backstage",
                    "versions": [
                        {
                            "version": "< 1.54.6",
                            "status": "affected"
                        }
                    ]
                }

plugin-scaffolder-backend

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@backstage",
                    "product": "plugin-scaffolder-backend",
                    "versions": [
                        {
                            "version": "< 4.1.0",
                            "status": "affected"
                        }
                    ]
                }

plugin-scaffolder-backend-module-azure

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@backstage",
                    "product": "plugin-scaffolder-backend-module-azure",
                    "versions": [
                        {
                            "version": "< 0.2.25",
                            "status": "affected"
                        }
                    ]
                }

plugin-scaffolder-backend-module-bitbucket-cloud

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@backstage",
                    "product": "plugin-scaffolder-backend-module-bitbucket-cloud",
                    "versions": [
                        {
                            "version": "< 0.3.10",
                            "status": "affected"
                        }
                    ]
                }

plugin-scaffolder-backend-module-bitbucket-server

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@backstage",
                    "product": "plugin-scaffolder-backend-module-bitbucket-server",
                    "versions": [
                        {
                            "version": "< 0.2.25",
                            "status": "affected"
                        }
                    ]
                }

plugin-scaffolder-backend-module-github

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@backstage",
                    "product": "plugin-scaffolder-backend-module-github",
                    "versions": [
                        {
                            "version": "< 0.9.13",
                            "status": "affected"
                        }
                    ]
                }

plugin-scaffolder-backend-module-gitlab

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "@backstage",
                    "product": "plugin-scaffolder-backend-module-gitlab",
                    "versions": [
                        {
                            "version": "< 0.11.10",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-93999

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Oct 6, 2026, 8:30:28 PM

dateUpdated: Oct 7, 2026, 3:13:57 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-106462

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-441 · CWE-863

Original publisher date fields

published: 2026-10-06T21:17:17.020

lastModified: 2026-10-22T18:53:09.440

7 source CPE criteria · context only

cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend:*:*:*:*:*:node.js:*:*
cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend-module-azure:*:*:*:*:*:node.js:*:*
cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend-module-bitbucket-cloud:*:*:*:*:*:node.js:*:*
cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend-module-bitbucket-server:*:*:*:*:*:node.js:*:*
cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend-module-github:*:*:*:*:*:node.js:*:*
cpe:2.3:a:linuxfoundation:backstage\/plugin-scaffolder-backend-module-gitlab:*:*:*:*:*:node.js:*:*
cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-29gx-h2m3-xw44

Published

@backstage/plugin-scaffolder-backend

npm

SEMVER · introduced 0 → fixed 4.1.0

@backstage/plugin-scaffolder-backend-module-github

npm

SEMVER · introduced 0 → fixed 0.9.13

@backstage/plugin-scaffolder-backend-module-gitlab

npm

SEMVER · introduced 0 → fixed 0.11.10

@backstage/plugin-scaffolder-backend-module-azure

npm

SEMVER · introduced 0 → fixed 0.2.25

@backstage/plugin-scaffolder-backend-module-bitbucket-cloud

npm

SEMVER · introduced 0 → fixed 0.3.10

@backstage/plugin-scaffolder-backend-module-bitbucket-server

npm

SEMVER · introduced 0 → fixed 0.2.25

Original source record · Cite this exact observation · Complete original publisher JSON