BIT-ELK-2026-72680 Authorization Bypass Through User-Controlled Key in Kibana Agent Builder Leading to Unauthorized Data Modification

Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the ownership check on that identifier does not distinguish between a conversation that does not exist and one that exists but belongs to another user. As a result, an...

Authorization Bypass Through User-Controlled Key

Overview kibana is an open source Apache Licensed, browser-based analytics and search dashboard for Elasticsearch. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the A2A JSON-RPC API endpoint. An attacker can overwrite and reassign another...

CVE-2026-72680 Authorization Bypass Through User-Controlled Key in Kibana Agent Builder Leading to Unauthorized Data Modification

Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the ownership check on that identifier does not distinguish between a conversation that does not exist and one that exists but belongs to another user. As a result, an...

CVE-2026-72680

Summary: CVE-2026-72680 affects Kibana Agent Builder via the A2A JSON-RPC API. An authenticated user with only read privileges can supply a user-owned identifier for a conversation that already exists in the same space and cause that conversation to be replaced and reassigned to the attacker, res...

Kibana 9.4.5 Security Update (ESA-2026-82)

Authorization Bypass Through User-Controlled Key in Kibana Agent Builder Leading to Unauthorized Data Modification Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the ownership check on that identifier does not...

PT-2026-71790

Kibana Agent Builder A2A JSON-RPC API endpoint derives the identifier of a stored conversation from a user-supplied input, and the ownership check on that identifier does not distinguish between a conversation that does not exist and one that exists but belongs to another user. As a result, an...