CVE-2026-25873OmniGen2-RL Reward Server Unsafe Deserialization RCE
Updated under an hour ago ()
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It affects Beijing Academy of Artificial Intelligence (BAAI) OmniGen2-RL. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Jul 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Beijing Academy of Artificial Intelligence (BAAI) OmniGen2-RL beijing_academy_of_artificial_intelligence_baai:omnigen2_rl (from the name) | 0 | CNA record |
References
- https://github.com/VectorSpaceLab/OmniGen2/pull/139issue-tracking
- https://chocapikk.com/posts/2026/omnigen2-pickle-rce/technical-description, exploit
- https://arxiv.org/abs/2506.18871product
- https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_server.py#L118related
- https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_proxy.py#L208related
- https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_proxy.py#L224related
- https://www.vulncheck.com/advisories/omnigen2-rl-reward-server-unsafe-deserialization-rcethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.