Deserialization in Applio

CVE-2025-27778

Applio is a voice conversion tool. Versions 3.2.8-bugfix and prior are vulnerable to unsafe deserialization in `infer.py`. The issue can lead to remote code execution. As of time of publication, a fix is available on the `main` branch of the Applio repository but not attached to a numbered release.

Vulnerability class: Insecure Deserialization

EPSS: 0.009 (55.9th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-27778?
CVE-2025-27778 is a critical-severity vulnerability in Applio, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-03-19.
How severe is CVE-2025-27778?
Critical severity. CVSS v3 base score is 9.8 out of 10.