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CVE-2026-24815— A XStream Security Vulnerability in XML Deserialization in datavane/tis

Quick assessment

Affected
datavane tis
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

tis是Datavane开源的一个敏捷代码开发平台。 tis v4.3.0之前版本存在安全漏洞，该漏洞源于程序文件XmlFile.Java存在不受限制的危险类型文件上传和不可信数据反序列化。

AI Predicted 9.8 Difficulty: Easy EPSS 0.35% · P26
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I. Basic Information for CVE-2026-24815

Vulnerability Information
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Vulnerability Title
A XStream Security Vulnerability in XML Deserialization in datavane/tis
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
tis 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tis是Datavane开源的一个敏捷代码开发平台。 tis v4.3.0之前版本存在安全漏洞，该漏洞源于程序文件XmlFile.Java存在不受限制的危险类型文件上传和不可信数据反序列化。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
datavane tis 0 ~ v4.3.0 -

II. Public POCs for CVE-2026-24815

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III. Intelligence Information for CVE-2026-24815

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IV. Related Vulnerabilities

Same product: tis
Same vendor: datavane
Same weakness: CWE-434

V. Comments for CVE-2026-24815

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