EUVD-2026-93990

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

GHSA-Q333-F498-W2X7 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...

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...

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 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 developer portal framework is vulnerable due to insufficient audience validation in the @backstage/plugin-auth-backend-module-cloudflare-access-provider package. Affected versions range from 0.1.0 until 0.5.0 . While the provider verifies the token's signature and team issuer, it fa...

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 ...

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...

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 ...

CVE-2026-101062 Obot before v0.23.0 Authentication Bypass via OAuth Dynamic Client Registration

Obot before v0.23.0 affected versions = v0.22.1 running with OBOTSERVERENABLEAUTHENTICATION=true exposes OAuth dynamic client registration without authentication and without any restriction on the redirect URIs a client may register. Because the authorization flow auto-completes for an already...

CVE-2026-101062

Obot versions prior to v0.23.0 (specifically

CVE-2026-101062: Incorrect Authorization

Obot before v0.23.0 affected versions = v0.22.1 running with OBOTSERVERENABLEAUTHENTICATION=true exposes OAuth dynamic client registration without authentication and without any restriction on the redirect URIs a client may register. Because the authorization flow auto-completes for an already...

EUVD-2026-80327

Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the idtoken it accepts. An attacker holding a token that the same Authentik identity provider minted for a different client application can present it to Airflow and be...

CVE-2026-75156

The apache-airflow-providers-fab package (versions 3.7.3 through 3.8.0) is vulnerable to an Origin Validation Error during OAuth login when configured with Azure AD. The root cause is the failure to validate the issuer or audience of Azure AD id_tokens within the _decode_and_validate_azure_jwt fu...

CVE-2026-77826 RegistrationMagic 5.0.1.8 - 6.0.9.8 - Unauthenticated Authentication Bypass via Missing Facebook Token Audience Validation

The RegistrationMagic WordPress plugin before 6.0.9.9 does not verify which application a Facebook access token was issued to before accepting it as proof of identity, allowing unauthenticated attackers to log in as an existing user whose token they can obtain, or to create and log into a new...

CVE-2026-77826

The RegistrationMagic WordPress plugin, in versions prior to 6.0.9.9 (specifically 5.0.1.8 through 6.0.9.8 ), is vulnerable to an unauthenticated authentication bypass . The root cause is a failure to validate the audience of a Facebook access token , meaning the plugin does not verify which appl...

CVE-2026-77826 RegistrationMagic 5.0.1.8 - 6.0.9.8 - Unauthenticated Authentication Bypass via Missing Facebook Token Audience Validation

The RegistrationMagic WordPress plugin before 6.0.9.9 does not verify which application a Facebook access token was issued to before accepting it as proof of identity, allowing unauthenticated attackers to log in as an existing user whose token they can obtain, or to create and log into a new...

WordPress Simple JWT Login plugin < 3.6.8 - Unauthenticated Account Takeover via Missing Google id_token Audience Validation vulnerability

Unauthenticated Account Takeover via Missing Google idtoken Audience Validation vulnerability discovered by Farid Narimanov in WordPress Plugin Simple JWT Login versions 3.6.8...