What is CVE-2026-25925?

CVE-2026-25925 is a high-severity vulnerability in Modery Powerdocu, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-02-09.

How severe is CVE-2026-25925?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in Modery Powerdocu

CVE-2026-25925

PowerDocu contains a Windows GUI executable to perform technical documentations. Prior to 2.4.0, PowerDocu contains a critical security vulnerability in how it parses JSON files within Flow or App packages. The application blindly trusts the $type property in JSON files, allowing an attacker to instantiate arbitrary .NET objects and execute code. This vulnerability is fixed in 2.4.0.

Vulnerability class: Insecure Deserialization

Published 2026-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Modery Powerdocu — versions < 2.4.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

github.com/modery/PowerDocu/security/advisories/GHSA-m8j2-5jr7-2jpw (Exploit, Mitigation, Vendor Advisory)
github.com/modery/PowerDocu/releases/tag/v-2.4.0 (Product, Release Notes)

Frequently asked questions

What is CVE-2026-25925?: CVE-2026-25925 is a high-severity vulnerability in Modery Powerdocu, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-02-09.
How severe is CVE-2026-25925?: High severity. CVSS v3 base score is 7.8 out of 10.