@backstage/backend-dynamic-feature-service (>=0.0.0-nightly-20251122024148, <=0.8.7-next.0), @backstage/plugin-catalog-backend-module-github (>=0.10.1-next.1, <=0.11.1-next.1) +4 more potentially affected by CVE-2026-106496 via @backstage/plugin-catalog-backend (>=3.0.0-next.0, <=3.9.0)

@backstage/plugin-catalog-backend NPM version =3.0.0-next.0, =0.0.0-nightly-20251122024148, =0.10.1-next.1, =0.3.12-next.1, =0.0.0-nightly-20251123025211, =0.1.12-next.1, =0.1.0-next.0, =0.1.3-next.0 Source cves: CVE-2026-106496 Source advisory: GHSA-PCMQ-25R3-5W9V...

Incorrect Authorization

Overview @backstage/plugin-catalog-backend is a The Backstage backend plugin that provides the Backstage catalog Affected versions of this package are vulnerable to Incorrect Authorization in DefaultCatalogProcessingOrchestrator during catalog processing, where the type field of a registered...

@backstage/backend-dynamic-feature-service (>=0.0.0-nightly-20251122024148, <=0.8.7-next.0), @backstage/plugin-catalog-backend-module-github (>=0.10.1-next.1, <=0.11.1-next.1) +4 more potentially affected by CVE-2026-106498 via @backstage/plugin-catalog-backend (>=3.0.0-next.0, <=3.9.0)

@backstage/plugin-catalog-backend NPM version =3.0.0-next.0, =0.0.0-nightly-20251122024148, =0.10.1-next.1, =0.3.12-next.1, =0.0.0-nightly-20251123025211, =0.1.12-next.1, =0.1.0-next.0, =0.1.3-next.0 Source cves: CVE-2026-106498 Source advisory: OSV:GHSA-QGVJ-QCF8-XQ73...

EUVD-2026-94056

Backstage: Improper URL validation in catalog entity placeholder resolution...

Backstage: Improper URL validation in catalog entity placeholder resolution

Impact An authenticated Backstage user could craft a catalog entity with placeholder directives that reference resources outside the entity's source repository. Under certain configurations, this could allow access to data not intended to be available to the user. Patches Patched in...

@backstage/backend-dynamic-feature-service (>=0.0.0-nightly-20251122024148, <=0.8.7-next.0), @backstage/plugin-catalog-backend-module-github (>=0.10.1-next.1, <=0.11.1-next.1) +4 more potentially affected by CVE-2026-106498 via @backstage/plugin-catalog-backend (>=3.0.0-next.0, <=3.9.0)

@backstage/plugin-catalog-backend NPM version =3.0.0-next.0, =0.0.0-nightly-20251122024148, =0.10.1-next.1, =0.3.12-next.1, =0.0.0-nightly-20251123025211, =0.1.12-next.1, =0.1.0-next.0, =0.1.3-next.0 Source cves: CVE-2026-106498 Source advisory: GHSA-QGVJ-QCF8-XQ73...

GHSA-QGVJ-QCF8-XQ73 Backstage: Improper URL validation in catalog entity placeholder resolution

Impact An authenticated Backstage user could craft a catalog entity with placeholder directives that reference resources outside the entity's source repository. Under certain configurations, this could allow access to data not intended to be available to the user. Patches Patched in...

EUVD-2026-94059

Backstage: Sensitive information exposure in Scaffolder...

GHSA-G2V8-7JHW-PP8P Backstage: Sensitive information exposure in Scaffolder

Impact An authenticated Backstage user who can read another user's Scaffolder task may receive internal execution data. In deployments where that data contains credentials for an external service, this may permit disclosure and unauthorized changes in that external service. Patches Patched in...

Backstage: Sensitive information exposure in Scaffolder

Impact An authenticated Backstage user who can read another user's Scaffolder task may receive internal execution data. In deployments where that data contains credentials for an external service, this may permit disclosure and unauthorized changes in that external service. Patches Patched in...

Backstage: Secret-derived values may be exposed in scaffolder task logs

Impact Deployments that configure sensitive scaffolder.defaultEnvironment.secrets and allow an attacker to create or modify Scaffolder templates are affected. A template author could cause secret-derived values used during template iteration to be persisted in task logs, exposing those values to...

EUVD-2026-94057

Backstage: Secret-derived values may be exposed in scaffolder task logs...

GHSA-MFVQ-X7VR-RGQG Backstage: Secret-derived values may be exposed in scaffolder task logs

Impact Deployments that configure sensitive scaffolder.defaultEnvironment.secrets and allow an attacker to create or modify Scaffolder templates are affected. A template author could cause secret-derived values used during template iteration to be persisted in task logs, exposing those values to...

Backstage: Scaffolder action input authorization bypass

Impact An authenticated user with access to affected Scaffolder templates could bypass configured action restrictions. Depending on integration credentials, this could grant unauthorized access to repositories and related source-control resources. Patches Patched in...

EUVD-2026-94068

Backstage: Scaffolder action input authorization bypass...

GHSA-HMP2-4M7G-22CV Backstage: Scaffolder action input authorization bypass

Impact An authenticated user with access to affected Scaffolder templates could bypass configured action restrictions. Depending on integration credentials, this could grant unauthorized access to repositories and related source-control resources. Patches Patched in...

Backstage: Improper task state validation in Scaffolder backend

Impact An authenticated user with permission to create and access Scaffolder tasks may, under specific timing and deployment conditions, affect files accessible to the Backstage backend. If backend application files are writable, the confidentiality, integrity, and availability of the backend may...

GHSA-XVGH-HMX8-9XXF Backstage: Improper task state validation in Scaffolder backend

Impact An authenticated user with permission to create and access Scaffolder tasks may, under specific timing and deployment conditions, affect files accessible to the Backstage backend. If backend application files are writable, the confidentiality, integrity, and availability of the backend may...

EUVD-2026-94058

Backstage: Improper task state validation in Scaffolder backend...

Backstage: Incorrect authorization in scaffolder task listing

Impact 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. Patches Patched in...