| Title | https://gitee.com/opencc/JFlow JFlow latest version XML External Entity Injection (XXE) |
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| Description | An XML External Entity (XXE) injection vulnerability exists in the Imp_Done method of the JFlow workflow engine. The application processes user-supplied XML input without securely configuring the underlying XML parser. As a result, a remote attacker can craft a malicious XML payload containing external entity declarations that, when parsed by the server, may lead to:
Disclosure of arbitrary local files (e.g., /etc/passwd, configuration files, private keys);
Server-Side Request Forgery (SSRF) to interact with internal services;
Denial-of-Service (DoS) via XML bomb attacks (e.g., "Billion Laughs"). |
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| Source | ⚠️ https://gitee.com/opencc/JFlow/issues/IDN7GT?from=project-issue |
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| User | MaoQiu (UID 94327) |
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| Submission | 01/29/2026 11:07 (3 months ago) |
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| Moderation | 02/15/2026 10:19 (17 days later) |
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| Status | Accepted |
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| VulDB entry | 346124 [opencc JFlow up to 20260129 Workflow Engine WF_Admin_AttrFlow.java Imp_Done File xml external entity reference] |
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| Points | 20 |
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