CVE-2026-110807

sgl-project SGLang generate Endpoint io_struct.py denial of service

CVSS score

5.3

EPSS probability

—

Risk score

0.5

Published

13 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

sgl-project SGLang Denial of Service Vulnerability

Sources read

Source agreement

0/2

Evidence confidence

%44

Short explanation

A vulnerability in sgl-project SGLang up to version 0.5.19 affects the generate Endpoint component, where manipulation of the session_params argument leads to a denial of service.

Why does it matter?

The availability of a public exploit and remote attack vector poses risks to system operations. Discrepancies exist across sources regarding the exact CVSS base score.

What should be done?

Review the provided patch references
Follow vendor advisories for updates

Note on uncertainty

2 alanda kaynak uyuşmazlığı var. DayBreach bu değerleri saklamadı; kaynak karşılaştırması aşağıda gösteriliyor.

Chain of evidence and sources3 verified claims

sgl-project SGLang 0.5.19 ve önceki sürümler, generate Endpoint bileşeninde servis dışı bırakma zafiyetinden etkilenmektedir.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Söz konusu zafiyet, session_params argümanının manipülasyonu yoluyla ortaya çıkmaktadır.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Kaynaklar arasında CVSS taban puanı konusunda farklılıklar mevcuttur.

S1 · cvelist S2 · nvd

Show the technical text from the sources

A weakness has been identified in sgl-project SGLang up to 0.5.19. Affected by this vulnerability is an unknown functionality of the file python/sglang/srt/managers/io_struct.py of the component generate Endpoint. This manipulation of the argument session_params causes denial of service. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

CWE: CWE-404

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-110807 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	sgl-project	sglang	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
5.3	CVSS V4_0	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	CVE CNA
4.3	CVSS V31	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	NVD
4.3	CVSS V3_1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C	CVE CNA
4.3	CVSS V3_0	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C	CVE CNA
4.0	CVSS V2	—	AV:N/AC:L/Au:S/C:N/I:N/A:P	NVD
4.0	CVSS V2_0	—	AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C	CVE CNA
2.1	CVSS V40	LOW	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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	NVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source

reference

Yama veya çözüm referansı

Open source

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Apply the official update named in the evidence only to the matching product and version.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-110807 is associated with the following CWEs:

CWE-404: Common Weakness Enumeration Entry CWE-404

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-110807 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsLow

UserGerekmiyor

Official Sources and Advisories

VDB-420278 | sgl-project SGLang generate Endpoint io_struct.py denial of servicevendor-advisory VDB-420278 | CTI Indicators (IOB, IOC, TTP, IOA)vendor-advisory CVE-2026-110807 | CVE Analysis and Reportvendor-advisory Submit #1004351 | SGLang Project (sgl-project) SGLang(SGLang Runtime) 0.5.19 Improper Validation of Specified Type of Inputvendor-advisory https://github.com/sgl-project/sglang/issues/41467vendor-advisory https://github.com/sgl-project/sglang/pull/41535patch https://gist.github.com/Yunzez/28820d220c52de4810fd5fb2d1dcf409#file-repro_sglang_session_params_crash-pyvendor-advisory https://github.com/sgl-project/sglang/vendor-advisory

CVSS Vector Radar Chart

5.3 / 10

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow privileges

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)Low

Yama doğrulandı

2 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

sgl-project

Weakness Type (CWE & CAPEC)

CWE-404

Similar Vulnerabilities

5.3

CVE-2026-110809

sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service

Vendorsgl-projectProductsglang

Patch verified12 h ago

8.7

CVE-2026-93688

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