CVE-2026-3059

⛔ critical

Summary

SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.

CVSS Score

9.8

Critical

EPSS Score

1.3

Exploit Probability

Published Date

2026-03-12

First Seen: 2026-03-13

📊 Relative Risk Intelligence

This CVE is Very High Risk - more severe than 90.4% of all 321,566 vulnerabilities in our database.

#30,777

Top 10% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Mar 12, 2026

🔍 Exploitation Status

Poc

Proof-of-concept available

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-04-07

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-502

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
lmsys	sglang	Affected	> 0.5.5 < 0.5.9

🔗 References 5

https://github.com/sgl-project/sglang/blob/main/pyth...

Product

https://github.com/sgl-project/sglang/pull/20904

https://github.com/sgl-project/sglang/releases/tag/v...

https://github.com/sgl-project/sglang/security/advis...

Broken Link

https://orca.security/resources/blog/sglang-llm-fram...

Exploit Mitigation Third Party Advisory

🔗 Related CVEs 5

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-7301	⛔ critical	9.8	0.1	SGLangs multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that cal...	2026-05-18
CVE-2026-7302	⛔ critical	9.1	0.1	SGLangs multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an atta...	2026-05-18
CVE-2026-7304	⛔ critical	9.8	0.3	SGLangs multimodal generation runtime is vulnerable to unauthenticated remote code execution when the --enable-custom-lo...	2026-05-18
CVE-2026-3060	⛔ critical	9.8	1.3	SGLang' encoder parallel disaggregation system is vulnerable to unauthenticated remote code execution through the disagg...	2026-03-12
CVE-2025-10164	⚠️ high	7.3	0.0	A security flaw has been discovered in lmsys sglang 0.4.6. Affected by this vulnerability is the function main of the fi...	2025-09-09

These CVEs affect the same products