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Vulnerability record · CVE-2026-54695 · published 9 July 2026

CVE-2026-54695: Pipecat missing authorization vulnerability

Pipecat · Pipecat

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.

6.5 CVSS 3.1 Medium EPSS 0.56% · top 55.4% CWE-862 · Missing authorization
6.5CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
13 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/pipecat-ai/pipecat/commit/3032da53434c5ef01d368654b3551cf21c50dec9 Patch
https://github.com/pipecat-ai/pipecat/commit/88440676996e5e548e1aecea5d565e1c48ccf6fa Patch
https://github.com/pipecat-ai/pipecat/pull/4660 Issue TrackingPatch
https://github.com/pipecat-ai/pipecat/releases/tag/v1.4.0 Issue TrackingPatch
https://github.com/pipecat-ai/pipecat/security/advisories/GHSA-j8cv-x86q-rj85 ExploitMitigationVendor Advisory
https://github.com/pipecat-ai/pipecat/security/advisories/GHSA-j8cv-x86q-rj85 ExploitMitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-54695), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.