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CVE-2026-54695— Pipecat: Telephony WebSocket `/ws` Unauthenticated Call-Control Abuse via Attacker-Supplied Call SID

Quick assessment

Affected
pipecat-ai pipecat
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

pipecat-ai pipecat是pipecat-ai的消息队列中间件。 pipecat-ai pipecat 1.4.0之前版本存在授权问题漏洞，该漏洞源于开发运行器注册了一个无需身份验证即可接受连接的/ws WebSocket端点，并读取攻击者提供的callSid，可能导致利用服务器操作员的凭据发起经过身份验证的Twilio REST API挂断请求，同样存在未经验证的呼叫控制端点。

CVSS 7.5 · High EPSS 0.56% · P46

Affected Version Matrix 1

VendorProduct Version RangeStatus
pipecat-ai pipecat < 1.4.0 affected
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I. Basic Information for CVE-2026-54695

Vulnerability Information
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Vulnerability Title
Pipecat: Telephony WebSocket `/ws` Unauthenticated Call-Control Abuse via Attacker-Supplied Call SID
Source: CVE Program / CVE List V5
Vulnerability Description
Pipecat is an open-source Python framework for building real-time voice and multimodal conversational agents. Prior to 1.4.0, the pipecat development runner registers a /ws WebSocket endpoint for telephony testing that accepts connections without authentication, reads an attacker-supplied callSid from a Twilio stream-start handshake in src/pipecat/runner/utils.py, and passes it to TwilioFrameSerializer so the server can issue an authenticated Twilio REST API hang-up request with the server operator's credentials; equivalent unauthenticated call-control sinks exist for Telnyx and Plivo. This issue is fixed in version 1.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
pipecat-ai pipecat 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pipecat-ai pipecat是pipecat-ai的消息队列中间件。 pipecat-ai pipecat 1.4.0之前版本存在授权问题漏洞，该漏洞源于开发运行器注册了一个无需身份验证即可接受连接的/ws WebSocket端点，并读取攻击者提供的callSid，可能导致利用服务器操作员的凭据发起经过身份验证的Twilio REST API挂断请求，同样存在未经验证的呼叫控制端点。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
pipecat-ai pipecat < 1.4.0 -

II. Public POCs for CVE-2026-54695

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7844 chars
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III. Intelligence Information for CVE-2026-54695

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Patches & Fixes for CVE-2026-54695 (2)

Vendor Advisories for CVE-2026-54695 (1)

IV. Related Vulnerabilities

Same product: pipecat
Same vendor: pipecat-ai
Same weakness: CWE-862

V. Comments for CVE-2026-54695

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