CVE-2026-2536: Opencc Jflow

Medium severity, CVSS 6.3. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Opencc Jflow: version 20260129 only

Published 2026-02-16. Last modified 2026-06-17.