@backstage/plugin-auth-backend (>=0.0.0-nightly-20250225023230, <=0.24.5), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20250225023230, <=0.4.2) +2 more potentially affected by CVE-2026-106457 via @backstage/plugin-auth-backend-module-cloudflare-access-provider (>=0.1.6-next.2, <=0.4.18)

@backstage/plugin-auth-backend-module-cloudflare-access-provider NPM version =0.1.6-next.2, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.4.2 - @jiteshy/backstage-plugin-synergy-backend 1.2.2 Source cves: CVE-2026-106457 Source advisory:...

@backstage/plugin-auth-backend (>=0.0.0-nightly-20250225023230, <=0.24.5), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20250225023230, <=0.4.2) +2 more potentially affected by CVE-2026-106457 via @backstage/plugin-auth-backend-module-cloudflare-access-provider (>=0.1.6-next.2, <=0.4.18)

@backstage/plugin-auth-backend-module-cloudflare-access-provider NPM version =0.1.6-next.2, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.4.2 - @jiteshy/backstage-plugin-synergy-backend 1.2.2 Source cves: CVE-2026-106457 Source advisory:...

@backstage/plugin-auth-backend (>=0.0.0-nightly-20250225023230, <=0.24.5), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20250225023230, <=0.4.2) +2 more potentially affected by CVE-2026-106457 via @backstage/plugin-auth-backend-module-cloudflare-access-provider (>=0.1.6-next.2, <=0.4.18)

@backstage/plugin-auth-backend-module-cloudflare-access-provider NPM version =0.1.6-next.2, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.4.2 - @jiteshy/backstage-plugin-synergy-backend 1.2.2 Source cves: CVE-2026-106457 Source advisory:...

Backstage: Insufficient audience validation in the Cloudflare Access auth provider

Impact The Cloudflare Access auth provider verifies a token's signature and team issuer, but affected versions do not verify that the token was issued for the Backstage application. A user holding a valid token for another Access application in the same Cloudflare Zero Trust team may therefore be...

Improper Verification of Cryptographic Signature

Overview @backstage/plugin-auth-backend-module-cloudflare-access-provider is a The cloudflare-access-provider backend module for the auth plugin. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the jwtVerify call in helpers.ts, which verifi...

EUVD-2026-93990

Backstage: Insufficient audience validation in the Cloudflare Access auth provider...

CVE-2026-106457

Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @backstage/plugin-auth-backend-module-cloudflare-access-provider package is affected by insufficient audience validation in the cloudflare access auth provider. The Cloudflare Access auth provider verifies ...

@backstage/plugin-auth-backend (>=0.0.0-nightly-20250225023230, <=0.24.5), @backstage/plugin-auth-backend-module-aws-alb-provider (>=0.0.0-nightly-20250225023230, <=0.4.2) +2 more potentially affected by CVE-2026-106457 via @backstage/plugin-auth-backend-module-cloudflare-access-provider (>=0.1.6-next.2, <=0.4.18)

@backstage/plugin-auth-backend-module-cloudflare-access-provider NPM version =0.1.6-next.2, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.0.0-nightly-20250225023230, =0.4.2 - @jiteshy/backstage-plugin-synergy-backend 1.2.2 Source cves: CVE-2026-106457 Source advisory:...

CVE-2026-106457

Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @backstage/plugin-auth-backend-module-cloudflare-access-provider package is affected by insufficient audience validation in the cloudflare access auth provider. The Cloudflare Access auth provider verifies ...

CVE-2026-106457 Backstage: Insufficient audience validation in the Cloudflare Access auth provider

Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @backstage/plugin-auth-backend-module-cloudflare-access-provider package is affected by insufficient audience validation in the cloudflare access auth provider. The Cloudflare Access auth provider verifies ...

CVE-2026-106457

The @backstage/plugin-auth-backend-module-cloudflare-access-provider package (versions &gt;=0.1.6-next.2 and

CVE-2026-106457 Backstage: Insufficient audience validation in the Cloudflare Access auth provider

Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @backstage/plugin-auth-backend-module-cloudflare-access-provider package is affected by insufficient audience validation in the cloudflare access auth provider. The Cloudflare Access auth provider verifies ...

CVE-2026-106457 Backstage: Insufficient audience validation in the Cloudflare Access auth provider

Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @backstage/plugin-auth-backend-module-cloudflare-access-provider package is affected by insufficient audience validation in the cloudflare access auth provider. The Cloudflare Access auth provider verifies ...

CVE-2026-106457: Improper Authentication

Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @backstage/plugin-auth-backend-module-cloudflare-access-provider package is affected by insufficient audience validation in the cloudflare access auth provider. The Cloudflare Access auth provider verifies ...

PT-2026-107246

Name of the Vulnerable Software and Affected Versions @backstage/plugin-auth-backend-module-cloudflare-access-provider versions 0.1.0 through 0.4.9 Description Insufficient audience validation in the Cloudflare Access auth provider allows a user with a valid token for a different Access applicati...