CVE-2026-7301

9.8 CRITICAL 0.4% exploit odds No fix listed Code execution Library

What it is

SGLangs multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-05-18 12:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-14 20:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-18 12:16 UTC
Last modified: 2026-10-14 20:10 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-502 · Unsafe deserialization
Record status: Analyzed

Affected

Lmsys Sglang 0.5.10

Attack profile CVSS 3.1 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

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References

NVD record · CVE.org record