Path Traversal in Applio

CVE-2025-27783

Applio is a voice conversion tool. Versions 3.2.8-bugfix and prior are vulnerable to arbitrary file write in train.py. This issue may lead to writing arbitrary files on the Applio server. It can also be used in conjunction with an unsafe deserialization to achieve remote code execution. As of time of publication, no known patches are available.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.010 (59.1th 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)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-27783?
CVE-2025-27783 is a critical-severity vulnerability in Applio, classified under Path Traversal. CVSS score: 9.8/10. Published 2025-03-19.
How severe is CVE-2025-27783?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-27783 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.