Deserialization in Beijing Academy Of Artificial Intelligence (Baai) Omnigen2-rl
CVE-2026-25873
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 p…
Vulnerability class: Insecure Deserialization
EPSS: 0.001 (31.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- github.com/VectorSpaceLab/OmniGen2/pull/139 (patch)
- chocapikk.com/posts/2026/omnigen2-pickle-rce/ (technical-description, exploit)
- arxiv.org/abs/2506.18871 (product)
- github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c… (related)
- github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c… (related)
- github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c… (related)
- www.vulncheck.com/advisories/omnigen2-rl-reward-server-unsafe-deserialization-r… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-25873?
- CVE-2026-25873 is a critical-severity vulnerability in Beijing Academy Of Artificial Intelligence (Baai) Omnigen2-rl, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-03-18.
- How severe is CVE-2026-25873?
- Critical severity. CVSS v3 base score is 9.8 out of 10.