EUVD-2026-63806

Rocket.Chat in versions before 8.8.0, 8.7.1, 8.6.2, 8.5.3, 8.4.6, 8.3.8, 8.2.8, 8.1.8, and 7.10.15 has a REST API endpoint POST /api/v1/livechat/visitor that accepts an unauthenticated, unsanitized name field for Livechat visitors. This name is stored raw and later rendered via...

CVE-2026-65644

Rocket.Chat in versions before 8.8.0, 8.7.1, 8.6.2, 8.5.3, 8.4.6, 8.3.8, 8.2.8, 8.1.8, and 7.10.15 has a REST API endpoint POST /api/v1/livechat/visitor that accepts an unauthenticated, unsanitized name field for Livechat visitors. This name is stored raw and later rendered via...

CVE-2026-65644

Rocket.Chat versions before 8.8.0 , 8.7.1 , 8.6.2 , 8.5.3 , 8.4.6 , 8.3.8 , 8.2.8 , 8.1.8 , and 7.10.15 contain a stored HTML injection (CWE-79) in the Livechat visitor flow. The unauthenticated REST endpoint POST /api/v1/livechat/visitor accepts an unsanitized name field that is stored raw and l...

PT-2026-79291

Rocket.Chat in versions before 8.8.0, 8.7.1, 8.6.2, 8.5.3, 8.4.6, 8.3.8, 8.2.8, 8.1.8, and 7.10.15 has a REST API endpoint POST /api/v1/livechat/visitor that accepts an unauthenticated, unsanitized name field for Livechat visitors. This name is stored raw and later rendered via...