CVE-2026-25873

OmniGen2-RL Reward Server Unsafe Deserialization RCE

OmniGen2-RL contains an unauthenticated remote code execution vulnerability in the reward server component that allows remote attackers to execute arbitrary commands by sending malicious HTTP POST requests. Attackers can exploit insecure pickle deserialization of request bodies to achieve code execution on the host system running the exposed service.

Affected

Beijing Academy of Artificial Intelligence (BAAI) · OmniGen2-RL

CVSS v4.0 VULNCHECK

9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULNCHECK

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

1.71% chance of exploitation in the next 30 days, 77th percentile

Published

2026-03-18

Updated

2026-07-28

Proof-of-concept exploits (1)

• https://chocapikk.com/posts/2026/omnigen2-pickle-rce/

References

• CVE Record
• NVD entry