Skip to main content
Threat Radar animated logo

CVE-2026-103241: Denial of Service in vllm-project vLLM

0
Medium
VulnerabilityCVE-2026-103241cvecve-2026-103241
Published: 09/30/2026 (09/30/2026, 16:45:13 UTC)
Source: CVE Database V5
Vendor/Project: vllm-project
Product: vLLM

Description

A flaw has been found in vllm-project vLLM up to 0.26.0. This vulnerability affects unknown code of the file rust/src/parser/src/unified/gemma4.rs of the component Gemma4UnifiedParser. Executing a manipulation can lead to denial of service. The attack may be launched remotely. The exploit has been published and may be used. Upgrading to version 0.29.1rc0 is able to resolve this issue. This patch is called 3439bad37e68ba9755a46f4f6b44a4aeaf1f60a9. Upgrading the affected component is advised.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

vllm-project

vLLM

Affected versions
=0.1=0.2=0.3=0.4=0.5=0.6=0.7=0.8=0.9=0.10=0.11=0.12=0.13=0.14=0.15=0.16=0.17=0.18=0.19=0.20=0.21=0.22=0.23=0.24=0.25=0.26.0
CPE configurations
cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*

Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-30T10:36:13.164Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6abd3d882a4e24523d41fc79

Added to database: 09/30/2026, 16:49:12 UTC

Last updated: 09/30/2026, 16:49:12 UTC

Views: 1

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses