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Security Database

CVE

CWE

Training

CVE-2026-25873

Published: Mar 18, 2026

Modified: Mar 19, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

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.

Vendor	Product	Versions
Beijing Academy of Artificial Intelligence (BAAI)	OmniGen2-RL	affected `0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://github.com/VectorSpaceLab/OmniGen2/pull/139

patch

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

technical-description

exploit

https://arxiv.org/abs/2506.18871

product

https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_server.py#L118

related

https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_proxy.py#L208

related

https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_proxy.py#L224

related

https://www.vulncheck.com/advisories/omnigen2-rl-reward-server-unsafe-deserialization-rce

third-party-advisory

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