Description
MCPHub before 1.0.32 contains an authentication bypass vulnerability in its embedded OAuth 2.0 authorization server where client authentication is disabled by default and PKCE enforcement is optional. Attackers who obtain an authorization code through interception can redeem it for access tokens without providing a client secret or PKCE verifier, gaining access to victim accounts and their privileges.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
samanhappy mcphub
Default version status: unaffected
0 to < 1.0.32affected
pkg:npm/%40samanhappy/mcphubReferences
- https://github.com/samanhappy/mcphub/security/advisories/GHSA-3m7m-37xf-xp9x ↗
- https://github.com/samanhappy/mcphub/commit/e927620cd1a80e8691213b01eb8cd6ffa1a66e9f ↗
- https://github.com/samanhappy/mcphub/blob/v1.0.31/src/services/oauthServerService.ts#L26-L38 ↗
- https://github.com/samanhappy/mcphub/releases/tag/v1.0.32 ↗
- https://www.vulncheck.com/advisories/mcphub-before-1.0.32-oauth-2.0-authentication-bypass ↗