CVE-2026-25873

9.8 CRITICAL
Published: March 18, 2026 Modified: March 19, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://arxiv.org/abs/2506.18871
Source: disclosure@vulncheck.com
https://chocapikk.com/posts/2026/omnigen2-pickle-rce/
Source: disclosure@vulncheck.com
https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_proxy.py#L208
Source: disclosure@vulncheck.com
https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_proxy.py#L224
Source: disclosure@vulncheck.com
https://github.com/VectorSpaceLab/OmniGen2/blob/3a13017e532f9f309a38bca571fd62200a6415c5/OmniGen2-RL/reward_server/reward_server.py#L118
Source: disclosure@vulncheck.com
https://github.com/VectorSpaceLab/OmniGen2/pull/139
Source: disclosure@vulncheck.com
https://www.vulncheck.com/advisories/omnigen2-rl-reward-server-unsafe-deserialization-rce
Source: disclosure@vulncheck.com

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.1%
33th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-502

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