Answer in brief
CVE-2026-103241 records a Medium severity (CVSS 6.9) vulnerability in vllm-project vLLM Gemma4UnifiedParser gemma4.rs denial of service. The current sources do not mark it as known exploited. The current feed maps vllm-project/vLLM (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps vllm-project/vLLM (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| vllm-project/vLLMgeneric | 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 | Not reported |
Published upstream
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 30, 2026
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.
Quoted source text, attributed separately from HOL analysis.