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CVE-2026-65644

7.5 high SSVC exploitation: none Analyzed
NVD · CVE.org

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 dangerouslySetInnerHTML in the Omnichannel Queue side panel (InquireSidePanelItem.tsx), injecting a real, clickable HTML link - pointing to any attacker-controlled domain, with arbitrary social-engineering text - into the DOM of any agent viewing the queue.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · rocket.chatNVD modified 2026-10-26 10:10

Affected (CPE criteria) 2

  • cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
  • cpe:2.3:a:rocket.chat:rocket.chat:8.7.0:*:*:*:*:*:*:*

References 2