CVE-2026-24815

A XStream Security Vulnerability in XML Deserialization in datavane/tis

State: Published
Severity: 10.0 Critical
Published: Jan 27, 2026
Updated: Jan 27, 2026
Reserved: Jan 27, 2026

Description

Unrestricted Upload of File with Dangerous Type, Deserialization of Untrusted Data vulnerability in datavane tis (tis-plugin/src/main/java/com/qlangtech/tis/extension/impl modules). This vulnerability is associated with program files XmlFile.Java.

This issue affects tis: before v4.3.0.

Scores

CVSS	Score	Vector	Source
4.0	10.0 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y/R:U/V:C/RE:M/U:Red	GovTech CSG

Weaknesses

CWE-434 Unrestricted Upload of File with Dangerous Type
CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
tisdatavane	before v4.3.0Affected

References

https://github.com/datavane/tis/pull/443patch

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