Security Bulletin: Consul vulnerable to an authorization bypass in the catalog node-write path

Summary Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog node-write path that may allow an authenticated attacker to delete another node's catalog registration and take over its node identity. An attacker with a token granting node-write permission on any sing...

EUVD-2026-75679

Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog node-write path that may allow an authenticated attacker to delete another node's catalog registration and take over its node identity. An attacker with a token granting node-write permission on any single node...

PT-2026-89566

Name of the Vulnerable Software and Affected Versions Consul versions prior to 2.0.4 Consul Enterprise versions prior to 1.21.18 Consul Enterprise versions prior to 1.22.12 Consul Enterprise versions prior to 2.0.4 Description An authorization bypass exists in the catalog node-write path. An...