CVE-2026-5430

The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. This allows an attacker to craft a JWT with an unsupported algorithm, which is then incorrectly validated, leading to unauthorized access. Successful exploitation of this...

EUVD-2026-53822

The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. This allows an attacker to craft a JWT with an unsupported algorithm, which is then incorrectly validated, leading to unauthorized access. Successful exploitation of this...

CVE-2026-5430 Authentication Bypass via JWT Algorithm Mismatch in Multiple WSO2 Products Allows Account Takeover

The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. This allows an attacker to craft a JWT with an unsupported algorithm, which is then incorrectly validated, leading to unauthorized access. Successful exploitation of this...

CVE-2026-5430

The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. This allows an attacker to craft a JWT with an unsupported algorithm, which is then incorrectly validated, leading to unauthorized access. Successful exploitation of this...

n8n-mcp webhook and API client paths has an authenticated SSRF

Summary Authenticated Server-Side Request Forgery affecting the webhook trigger tools, the n8n API client N8NAPIURL, and per-request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. Impact A caller with access to the MCP session can drive HTTP requests from the n8n-mcp host to...