CVE-2025-63617

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-11-10 · updated 2026-06-17
Weakness: CWE-502

Description

ktg-mes before commit a484f96 (2025-07-03) has a fastjson deserialization vulnerability. This is because it uses a vulnerable version of fastjson and deserializes unsafe input data.

Affected products

Kutangguo Ktg-Mes: before 2025-10-08 — fixed in 2025-10-08

How to fix

Upgrade to a fixed version: Kutangguo Ktg-Mes 2025-10-08. Check the vendor advisory for mitigations.

References

https://gist.github.com/ChangeYourWay/8651679a2155269bccf520fcb34fc661
https://github.com/ChangeYourWay/post/blob/main/ktg-mes.md

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