HOMEVULNERABILITIESCVE-2026-3059
CRITICAL

CVE-2026-3059

Published: March 12, 2026· Updated: Mar 17, 2026

9.8
CVSS v3.1
EPSS:0.54%probability of exploitation in 30 daysPercentile:67.2th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-3059 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

lmsys1 product
sglang
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/

All References (3)

→
https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.pyProduct
→
https://github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xrBroken Link
→
https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/Exploit · Mitigation · Third Party Advisory

Quick Facts

CVE IDCVE-2026-3059
CVSS Score9.8 / 10
SeverityCRITICAL
CISA KEVNo
EPSS (30d)0.54%
Affected1 vendor
PublishedMar 12, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-3059 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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