Denial of Service Vulnerability in SGLang by sgl-project
CVE-2026-112082

8.7HIGH

Key Information:

Vendor

Sgl-project

Status
Sglang
Vendor
CVE Published:
19 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112082?

A vulnerability has been identified in SGLang, specifically in the Scheduler.expert_distribution_handle function located in expert_distribution.py. This flaw allows an attacker to manipulate the Expert-Distribution Recording Endpoint, leading to a denial of service condition. The vulnerability is remotely exploitable, enabling an attacker to target system resources and disrupt normal operations. A fix has been proposed and awaits acceptance to address this critical issue.

Affected Version(s)

SGLang 0.5.0

SGLang 0.5.1

SGLang 0.5.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-112082 - Proof of Concept

References

https://vuldb.com/vuln/421761
vdb-entrytechnical-description
https://vuldb.com/vuln/421761/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-112082
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zyz3366 (VulDB User)
VulDB CNA Team
.