EUVD-2026-55878

SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute...

PT-2026-70038

Name of the Vulnerable Software and Affected Versions SAP Approuter affected versions not specified Description SAP Approuter fails to correctly validate client certificates during specific callback flows. An attacker with low privileges who possesses a certificate issued by the same trusted...

CVE-2026-42073 OpenClaude's MCP OAuth Callback: State Check Bypass via error Param Leads to DoS

OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter...

WWBN AVideo has a Live restream log callback flow enabling stored SSRF to internal services

The Live restream log callback flow accepted an attacker-controlled restreamerURL and later fetched that stored URL server-side, enabling stored SSRF for authenticated streamers. The vulnerable flow allowed a low-privilege user with streaming permission to store an arbitrary callback URL and...