=== CVE-2026-43825 PoC ===
Label: fixed
Marker path: /tmp/opennlp_poc_marker_fixed.txt

[*] Crafted payload size: 88 bytes
[*] Payload contains MaliciousGadget (not in SvmDoccatModel graph)

[*] Calling SvmDoccatModel.deserialize() with malicious stream...
[+] FIXED version: ObjectInputFilter rejected foreign class
[+] Exception: java.io.InvalidClassException: filter status: REJECTED

[*] No marker file found ? gadget code did NOT execute

=== RESULT ===
Label: fixed
Exception type: InvalidClassException
Code executed during deserialization: false
VERDICT: FIXED ? ObjectInputFilter blocked the foreign class