GO-2026-5231 Dex: Token-exchange endpoint is missing AllowedConnectors enforcement in github.com/dexidp/dex

Dex: Token-exchange endpoint is missing AllowedConnectors enforcement in github.com/dexidp/dex...

GHSA-7QJX-GP9H-65QJ Dex: Token-exchange endpoint is missing AllowedConnectors enforcement

Summary server/handlers.go::handleTokenExchange lines 1804-1893 does not call isConnectorAllowedclient.AllowedConnectors, connID before issuing tokens, while sibling handlers do. This is a per-client connector ACL gap on the token-exchange endpoint; the redirect-flow paths enforce the same field...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the handleTokenExchange function. An attacker can gain unauthorized access to restricted resources by exploiting the lack of enforcement of allowed connectors when exchanging tokens. This is only exploitable i...

Dex: Token-exchange endpoint is missing AllowedConnectors enforcement

Summary server/handlers.go::handleTokenExchange lines 1804-1893 does not call isConnectorAllowedclient.AllowedConnectors, connID before issuing tokens, while sibling handlers do. This is a per-client connector ACL gap on the token-exchange endpoint; the redirect-flow paths enforce the same field...