gcdRadar
archive/Patch now/AIR-2026-0158
closedclosed 21 Sep 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-94625: vLLM Resource Exhaustion in MooncakeConnector Transfer Placeholders

vLLM

A resource exhaustion flaw in vLLM lets attackers create ownerless transfer placeholders through rejected prefill requests. This exhausts sender task pools and delays valid traffic significantly.

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
6.9
EPSS
0.01 · top 56% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
21 Sep 2026
last update
21 Sep 2026
CVE ids
CVE-2026-94625other records

Timeline · 1

  1. 21 Sep 2026CVE-2026-94625: vLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where rejected prefill requests create…

Sources · 1

Advisories and databases

  1. 2026-09-21
    CVE-2026-94625: vLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where rejected prefill requests create…
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-94625

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
resource-exhaustionvllm
dates
happened 21 Sep 2026 · first reported 21 Sep 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 2026-10-18 06:33Z · updated 2026-10-18 06:33Z

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-2026-94625: vLLM Resource Exhaustion in MooncakeConnector Transfer Placeholders

https://gcdradar.vercel.app/incidents/cve-2026-94625-vllm-resource-exhaustion-in-mooncakeconnector · AIR-2026-0158 · closed 2026-09-21

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-09-21
- AI role: Attack on AI
- Products: vLLM
- CVE ids: CVE-2026-94625
- CVSS: 6.9

## Summary

A resource exhaustion flaw in vLLM lets attackers create ownerless transfer placeholders through rejected prefill requests. This exhausts sender task pools and delays valid traffic significantly.

## What to do

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

## Latest updates

- 2026-09-21: CVE-2026-94625: vLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where rejected prefill requests create… (https://nvd.nist.gov/vuln/detail/CVE-2026-94625)

## Sources

- 2026-09-21 NVD: CVE-2026-94625: vLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where rejected prefill requests create… https://nvd.nist.gov/vuln/detail/CVE-2026-94625

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

Related

  1. closed
    vLLM vLLM Denial of Service through Multimodal UUID Cache Desynchronization

    Patch now · Disclosed · since 21 Oct 2026

    AI
  2. closed
    vLLM vLLM Denial of Service via Unvalidated mm_processor_kwargs

    Patch now · Disclosed · since 21 Oct 2026

    AI
  3. closed6.5
    vLLM CVE-2026-114050: vLLM multimodal UUID cache identity flaw leads to engine crash

    Patch now · Disclosed · since 21 Oct 2026 · updated 23 Oct 2026 · CVE-2026-114050

    AI
  4. closed7.1
    vLLM CVE-2026-114054: vLLM cache aliasing vulnerability exposes processed media and KV state

    Patch now · Disclosed · since 21 Oct 2026 · CVE-2026-114054

    AI
  5. closed7.5
    vLLM CVE-2026-114051: vLLM input validation check omission causes denial of service

    Patch now · Disclosed · since 21 Oct 2026 · CVE-2026-114051

    AI
  6. closed6.3
    vLLM CVE-2026-114049: vLLM cross-request mask leak vulnerability

    Patch now · Disclosed · since 21 Oct 2026 · CVE-2026-114049

    AI