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archive/Patch now/AIR-2026-1410
closedclosed 19 Oct 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-112269: SGLang unauthenticated decode registration vulnerability

SGLang

SGLang with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on sockets, allowing denial of service. Attackers can send crafted registrations to exhaust memory and cause scheduler crashes.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
7.1
EPSS
<0.01 · top 58% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
19 Oct 2026
last update
19 Oct 2026
CVE ids
CVE-2026-112269other records

Timeline · 1

  1. 19 Oct 2026CVE-2026-112269: SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the…

Sources · 1

Advisories and databases

  1. 2026-10-19
    CVE-2026-112269: SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-112269

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
dossglang
dates
happened 19 Oct 2026 · first reported 19 Oct 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-19 22:32Z · updated 2026-10-19 22:32Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-112269: SGLang unauthenticated decode registration vulnerability

https://gcdradar.vercel.app/incidents/cve-2026-112269-sglang-unauthenticated-decode-registration-v · AIR-2026-1410 · closed 2026-10-19

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-10-19
- AI role: Attack on AI
- Products: SGLang
- CVE ids: CVE-2026-112269
- CVSS: 7.1

## Summary

SGLang with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on sockets, allowing denial of service. Attackers can send crafted registrations to exhaust memory and cause scheduler crashes.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-10-19: CVE-2026-112269: SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the… (https://nvd.nist.gov/vuln/detail/CVE-2026-112269)

## Sources

- 2026-10-19 NVD: CVE-2026-112269: SGLang through 0.5.22 with the Mooncake disaggregation backend accepts unauthenticated decode registration messages on the… https://nvd.nist.gov/vuln/detail/CVE-2026-112269

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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