Improper Authentication

go.woodpecker-ci.org/woodpecker/v3 is vulnerable to Improper Authentication. The vulnerability is due to the gRPC layer trusting a client-supplied agentid value instead of the authenticated agent identity after JWT verification, which allows an authenticated attacker to impersonate any other agen...

CVE-2026-50141 Woodpecker gRPC agent_id metadata can be spoofed- cross-tenant agent impersonation

Woodpecker is a CI/CD engine. Starting in version 3.0.0 and prior to version 3.14.1, a vulnerability in Woodpecker CI's gRPC layer allowed any authenticated agent to impersonate any other agent on the same server by injecting a forged agentid value into outgoing gRPC metadata. The server correctl...

CVE-2026-50141

CVE-2026-50141 affects Woodpecker CI prior to 3.14.1, where the gRPC layer allowed an authenticated agent to impersonate another by forging agent_id in outgoing metadata. The server verified the JWT but then ignored it in favor of the client-supplied agent_id, enabling cross-tenant impersonation....