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CVE-2026-25526 PoC — JinJava Bypass through ForTag leads to Arbitrary Java Execution

Source
https://github.com/av4nth1ka/jinjava-cve-2026-25526-poc
Associated Vulnerability
Title:JinJava Bypass through ForTag leads to Arbitrary Java Execution (CVE-2026-25526)
Description:JinJava is a Java-based template engine based on django template syntax, adapted to render jinja templates. Prior to versions 2.7.6 and 2.8.3, JinJava is vulnerable to arbitrary Java execution via bypass through ForTag. This allows arbitrary Java class instantiation and file access bypassing built-in sandbox restrictions. This issue has been patched in versions 2.7.6 and 2.8.3.
Description
lab setup + exploits for CVE-2026-25526
File Snapshot

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