sgl-project SGLang Expert-Distribution Recording Endpoint expert_distribution.py Scheduler.expert_distribution_handle denial of service
Summary
| CVE | CVE-2026-112082 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-19 06:17:23 UTC |
| Updated | 2026-10-19 17:17:11 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 7.7 HIGH from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.006260000 probability, percentile 0.490200000 (date 2026-10-19)
Problem Types: CWE-404 | CWE-404 Denial of Service
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 7.7 | HIGH | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/C... |
| 4.0 | CNA | DECLARED | 8.7 | HIGH | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P |
| 3.1 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:C |
| 3.0 | CNA | DECLARED | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:C |
| 2.0 | [email protected] | Secondary | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C | |
| 2.0 | CNA | DECLARED | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C/E:POC/RL:ND/RC:C |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
NoneIntegrity
NoneAvailability
HighSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:C
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Sgl-project | SGLang | affected 0.5.0 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.1 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.2 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.3 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.4 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.5 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.6 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.7 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.8 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.9 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.10 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.11 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.12 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.13 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.14 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.15 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.16 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.17 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.18 | Not specified |
| CNA | Sgl-project | SGLang | affected 0.5.19 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/submit/1009918 | [email protected] | vuldb.com | |
| vuldb.com/vuln/421761/cti | [email protected] | vuldb.com | |
| github.com/sgl-project/sglang/issues/42071 | [email protected] | github.com | |
| vuldb.com/cve/CVE-2026-112082 | [email protected] | vuldb.com | |
| github.com/sgl-project/sglang/pull/42098 | [email protected] | github.com | |
| vuldb.com/vuln/421761 | [email protected] | vuldb.com | |
| github.com/sgl-project/sglang | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Zyz3366 (VulDB User) (en)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-10-18T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-10-18T02:00:00.000Z | VulDB entry created |
| CNA | 2026-10-18T16:29:35.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.