CVE-2025-27778

Applio allows unsafe deserialization in infer.py

8.9 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.98%Up 0.6 points since Mar 20, 2025

What each source reports

CVE List Score used 8.9

Applio allows unsafe deserialization in infer.py

Record: CVE-2025-27778
CVSS 4.0: 8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2025-6790 8.9

Record: EUVD-2025-6790
CVSS 4.0: 8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Updated: 2026-11-02

NVD 8.9

Record: CVE-2025-27778
CVSS 4.0: 8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSV 8.9

Applio allows unsafe deserialization in infer.py

Record: CVE-2025-27778
CVSS 4.0: 8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Weakness: CWE-502
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-27778 is a high vulnerability (CVSS 8.9) in Applio, published March 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. No source names a fixed version.