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I. Basic Information for CVE-2026-2536
Vulnerability Information

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Vulnerability Title
opencc JFlow Workflow WF_Admin_AttrFlow.java Imp_Done xml external entity reference
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in opencc JFlow up to 20260129. This affects the function Imp_Done of the file src/main/java/bp/wf/httphandler/WF_Admin_AttrFlow.java of the component Workflow Engine. This manipulation of the argument File causes xml external entity reference. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: NVD (National Vulnerability Database)
Vulnerability Title
JFlow 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JFlow是中国济南驰骋(opencc)开源的一个低代码BPM开发平台。 JFlow 20260129及之前版本存在代码问题漏洞,该漏洞源于对组件Workflow Engine中文件src/main/java/bp/wf/httphandler/WF_Admin_AttrFlow.java的函数Imp_Done的参数File的错误操作,可能导致XML外部实体引用攻击。
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
VendorProductAffected VersionsCPESubscribe
openccJFlow 20260129 -
II. Public POCs for CVE-2026-2536
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III. Intelligence Information for CVE-2026-2536
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IV. Related Vulnerabilities
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