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CVE-2026-25873

CRITICAL

9.8

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.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/18/2026

Derniere modification3/19/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-502

References

https://arxiv.org/abs/2506.18871(disclosure@vulncheck.com)

https://chocapikk.com/posts/2026/omnigen2-pickle-rce/(disclosure@vulncheck.com)

https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_proxy.py#L208(disclosure@vulncheck.com)

https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_proxy.py#L224(disclosure@vulncheck.com)

https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_server.py#L118(disclosure@vulncheck.com)

https://github.com/VectorSpaceLab/OmniGen2/pull/139(disclosure@vulncheck.com)

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

Correlations IOC

Aucune correlation enregistree

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