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Vendor

langbot-app

6 known vulnerabilities.

langbot-app at a glance

Last 12 months
5
Critical · all time
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Products

6 results · Feed

  • Medium 6.5

    LangBot through 4.11.0 Missing Lark/Feishu Webhook Authenticity Verification

    LangBot through 4.11.0 contains a missing authenticity verification vulnerability that allows unauthenticated attackers to inject forged Lark/Feishu events by skipping signature checks. Attackers knowing a bot UUID can POST fabricated im.message.receive_v1 or…

  • High 8.6

    LangBot through 0.4.17 Unauthenticated Plugin Registration via WebSocket

    LangBot's plugin runtime (pip package langbot_plugin) through 0.4.17 starts a debug WebSocket server on 0.0.0.0:5401 (/plugin/ws) whose authentication is gated on plugin_debug_key, which defaults to an empty string and is never set by the upstream repository,…

  • High 8.1

    LangBot before 4.10.11 Authentication Bypass via Weak Recovery Key

    LangBot before 4.10.11 generates password recovery keys with only 24 bits of entropy and applies no rate limiting to the unauthenticated reset-password endpoint. Remote attackers knowing the administrator email can exhaust the keyspace through concurrent requ…

  • High 8.8

    LangBot: Authenticated RCE Via MCP Configuration

    LangBot is a global IM bot platform designed for LLMs. In version 4.10.7 and earlier, any authenticated user can add or change an STDIO MCP server configuration without an adequate authorization boundary. In src/langbot/pkg/provider/tools/loaders/mcp.py, Stdi…

  • Medium 6.3

    LangBot has a Cross Site Scripting(XSS) Vulnerability

    LangBot is a global IM bot platform designed for LLMs. Prior to version 4.8.7, LangBot’s web UI renders user-supplied raw HTML using rehypeRaw, which can lead to a cross-site scripting (XSS) vulnerability. This issue has been patched in version 4.8.7.

  • High 8.6

    LangBot has a cross-directory file upload vulnerability, which could lead to system takeover

    LangBot is a global IM bot platform designed for LLMs. In versions 4.1.0 up to but not including 4.3.5, authorized attackers can exploit the /api/v1/files/documents interface to perform arbitrary file uploads. Since this interface does not strictly restrict t…