TI-2026-76247 Aliases CVE-2026-112082 GHSA-j823-x22q-54wf

Denial of service in SGLang expert-distribution recording endpoint

HIGH 77CWE-404Published 2026-10-19 · Updated 2026-10-19

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

sgl-project SGLang up to 0.5.19 contains a flaw in the Scheduler.expert_distribution_handle function of the expert-distribution recording endpoint. A resource is not properly shut down or released (CWE-404), which leads to denial of service. A remote, unauthenticated attacker can trigger it without user interaction. A public exploit is available and linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

A vulnerability was identified in sgl-project SGLang up to 0.5.19. This impacts the function Scheduler.expert_distribution_handle of the file python/sglang/srt/eplb/expert_distribution.py of the component Expert-Distribution Recording Endpoint. Such manipulation leads to denial of service. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The pull request to fix this issue awaits acceptance.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00626 50th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
sgl-project	SGLang	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	—	No fix listed	CNA

SGLang Vendorsgl-project Affected 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 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:sgl-project:sglang::::::::	—	—	—

cpe:2.3:a:sgl-project:sglang:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

The sources list no fixed version for SGLang. A pull request to fix this issue awaits acceptance.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

2026-10-19 Threatist record created from CVE-2026-112082
2026-10-19 Alias added: GHSA-j823-x22q-54wf
2026-10-19 CISA SSVC decision points changed
2026-10-19 Priority changed: MEDIUM → HIGH
2026-10-31 EPSS moved to the 50th–90th percentile

References

TI-2026-70996 SGLang disables decompression bomb check, enabling denial of service CVSS 4.0HIGH 8.7
TI-2026-70994 SGLang Memory Exhaustion DoS via Qwen-VL Video Preprocessing CVSS 4.0HIGH 8.7
TI-2026-70993 Decompression amplification in SGLang load_audio exhausts memory CVSS 4.0HIGH 8.7
TI-2026-65453 SGLang through 0.5.20 Denial of Service via Duplicate bootstrap_room CVSS 4.0HIGH 8.7
TI-2026-75290 Code injection in SGLang debug dumper filter CVSS 4.0CRITICAL 9.2
TI-2026-76467 Server-side request forgery in SGLang via bootstrap_host and bootstrap_port CVSS 4.0MEDIUM 6.9

See all 21 →

Sources

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