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CVE-2026-65644

Quick assessment

Affected
Rocket.Chat Rocket.Chat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 8.8.0 之前版本（包括 8.7.1、8.6.2、8.5.3、8.4.6、8.3.8、8.2.8、8.1.8 以及 7.10.15）的 Rocket.Chat 中，REST API 端点 POST /api/v1/livechat/visitor 允许未认证的请求提交未经清理（unsanitized）的“name”字段，该字段用于标识即时聊天（Livechat）访客。此名称以原始形式存储，随后在 Omnichannel（全渠道）队列的侧边面板（InquireSidePanelItem.tsx）中通过 dang

AI Predicted 6.1 Difficulty: Easy EPSS 0.18% · P8

Affected Version Matrix 9

VendorProduct Version RangeStatus
Rocket.Chat Rocket.Chat < 8.8.0 affected
< 8.7.1 affected
< 8.6.2 affected
< 8.5.3 affected
< 8.4.6 affected
< 8.3.8 affected
< 8.2.8 affected
< 8.1.8 affected
… +1 more rows
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I. Basic Information for CVE-2026-65644

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Rocket.Chat Rocket.Chat 0 ~ 8.8.0 -

II. Public POCs for CVE-2026-65644

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III. Intelligence Information for CVE-2026-65644

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Patches & Fixes for CVE-2026-65644 (1)

Other References for CVE-2026-65644 (1)

IV. Related Vulnerabilities

Same product: Rocket.Chat
Same vendor: Rocket.Chat
Same weakness: CWE-79

V. Comments for CVE-2026-65644

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