sgl-project SGLang up to 0.5.19 Expert-Distribution Recording Endpoint expert_distribution.py Scheduler.expert_distribution_handle denial of service

Summaryinfo

A vulnerability marked as critical has been reported in sgl-project SGLang up to 0.5.19. Affected is the function Scheduler.expert_distribution_handle of the file python/sglang/srt/eplb/expert_distribution.py of the component Expert-Distribution Recording Endpoint. Performing a manipulation results in denial of service. This vulnerability is identified as CVE-2026-112082. The attack can be initiated remotely. Additionally, an exploit exists. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability, which was classified as critical, was found in sgl-project SGLang up to 0.5.19. This affects the function Scheduler.expert_distribution_handle of the file python/sglang/srt/eplb/expert_distribution.py of the component Expert-Distribution Recording Endpoint. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-112082. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Project Management Software

Vendor

• sgl-project

Name

• SGLang

Version

• 0.5.0
• 0.5.1
• 0.5.2
• 0.5.3
• 0.5.4
• 0.5.5
• 0.5.6
• 0.5.7
• 0.5.8
• 0.5.9
• 0.5.10
• 0.5.11
• 0.5.12
• 0.5.13
• 0.5.14
• 0.5.15
• 0.5.16
• 0.5.17
• 0.5.18
• 0.5.19

Website

• Product: https://github.com/sgl-project/sglang/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Submitinfo

Accepted

• Submit #1009918: SGLang Project (sgl-project) SGLang 0.5.19 Denial of Service (by Zyz3366)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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