What is CVE-2025-62373?

CVE-2025-62373 is a critical-severity vulnerability in Pipecat, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-04-23.

How severe is CVE-2025-62373?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Pipecat

CVE-2025-62373

Pipecat is an open-source Python framework for building real-time voice and multimodal conversational agents. Versions 0.0.41 through 0.0.93 have a vulnerability in `LivekitFrameSerializer` – an optional, non-default, undocumented frame se…

Vulnerability class: Insecure Deserialization

EPSS: 0.009 (75.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Pipecat
Pipecat-ai Pipecat — versions >= 0.0.41, < 0.0.94

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

https://github.com/pipecat-ai/pipecat/security/advisories/GHSA-c2jg-5cp7-6wc7 (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2025-62373?: CVE-2025-62373 is a critical-severity vulnerability in Pipecat, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-04-23.
How severe is CVE-2025-62373?: Critical severity. CVSS v3 base score is 9.8 out of 10.