Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication adapters

Impact The Google, Apple, and Facebook authentication adapters use JWT verification to validate identity tokens. When the adapter's audience configuration option is not set clientId for Google/Apple, appIds for Facebook, JWT verification silently skips audience claim validation. This allows an...

GHSA-X6FW-778M-WR9V Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication adapters

Impact The Google, Apple, and Facebook authentication adapters use JWT verification to validate identity tokens. When the adapter's audience configuration option is not set clientId for Google/Apple, appIds for Facebook, JWT verification silently skips audience claim validation. This allows an...

CVE-2026-30863

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.10 and 9.5.0-alpha.11, the Google, Apple, and Facebook authentication adapters use JWT verification to validate identity tokens. When the adapter's audience configuration...

CVE-2026-30863 Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication adapters

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.10 and 9.5.0-alpha.11, the Google, Apple, and Facebook authentication adapters use JWT verification to validate identity tokens. When the adapter's audience configuration...

CVE-2026-30863

CVE-2026-30863 affects Parse Server through its Google, Apple, and Facebook authentication adapters. If the adapter’s audience option (clientId for Google/Apple, appIds for Facebook) is not configured, the JWT verification process does not validate the audience claim, enabling an attacker to pres...

CVE-2026-30863 Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication adapters

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.10 and 9.5.0-alpha.11, the Google, Apple, and Facebook authentication adapters use JWT verification to validate identity tokens. When the adapter's audience configuration...

CVE-2026-30863

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.10 and 9.5.0-alpha.11, the Google, Apple, and Facebook authentication adapters use JWT verification to validate identity tokens. When the adapter's audience configuration...

CVE-2026-30863 Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication adapters

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.10 and 9.5.0-alpha.11, the Google, Apple, and Facebook authentication adapters use JWT verification to validate identity tokens. When the adapter's audience configuration...

BIT-PARSE-2026-27804 Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.3.1, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing their...

CVE-2026-27804

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing...

Use of a Broken or Risky Cryptographic Algorithm

Overview parse-server is a version of the Parse backend that can be deployed to any infrastructure that can run Node.js. Affected versions of this package are vulnerable to Use of a Broken or Risky Cryptographic Algorithm via the Google authentication. An attacker can gain unauthorized access to...

CVE-2026-27804

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing...

CVE-2026-27804

Parse Server versions prior to 8.6.3 and 9.1.1-alpha.4 are vulnerable to unauthenticated login via forged Google tokens (alg: none). The root cause is trusting the JWT header for algorithm selection; the fix hardcodes RS256 and shifts key validation to jwks-rsa, rejecting unknown key IDs. Affecte...

CVE-2026-27804 Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing...

CVE-2026-27804

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing...

CVE-2026-27804 Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing...

CVE-2026-27804 Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.3 and 9.1.1-alpha.4, an unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing...

GHSA-4Q3H-VP4R-PRV2 Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Impact An unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing their credentials. All deployments with Google authentication enabled are affected. Patches The fix hardcodes the expected RS256 algorithm...

EUVD-2026-8774

Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter...

Parse Server: Account takeover via JWT algorithm confusion in Google auth adapter

Impact An unauthenticated attacker can forge a Google authentication token with alg: "none" to log in as any user linked to a Google account, without knowing their credentials. All deployments with Google authentication enabled are affected. Patches The fix hardcodes the expected RS256 algorithm...