CVE-2026-7141 Medium Severity in vllm Vulnerability Details & Analysis

Summary

A vulnerability was found in vllm up to 0.19.0. The affected element is the function has_mamba_layers of the file vllm/v1/kv_cache_interface.py of the component KV Block Handler. Performing a manipulation results in uninitialized resource. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. The exploit has been made public and could be used. The patch is named 1ad67864c0c20f167929e64c875f5c28e1aad9fd. To

Description

A vulnerability was found in vllm up to 0.19.0. The affected element is the function has_mamba_layers of the file vllm/v1/kv_cache_interface.py of the component KV Block Handler. Performing a manipulation results in uninitialized resource. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. The exploit has been made public and could be used. The patch is named 1ad67864c0c20f167929e64c875f5c28e1aad9fd. To fix this issue, it is recommended to deploy a patch.

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 32.7% of all 326,604 vulnerabilities in our database.

#219,817

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Apr 27, 2026

🔍 Exploitation Status

Poc

Proof-of-concept available

⚙️ Automatable

NO

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Zyz3366 (VulDB User) (reporter)

SSVC data provided by CISA

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-44222	🔶 medium	6.5	0.0	vLLM is an inference and serving engine for large language models (LLMs). From 0.6.1 to before 0.20.0, there is a a Toke...	2026-05-12
CVE-2026-44223	🔶 medium	6.5	0.0	vLLM is an inference and serving engine for large language models (LLMs). From to before 0.20.0, the extract_hidden_sta...	2026-05-12
CVE-2026-34753	🔶 medium	5.4	0.0	vLLM is an inference and serving engine for large language models (LLMs). From 0.16.0 to before 0.19.0, a server-side re...	2026-04-06
CVE-2026-34755	🔶 medium	6.5	0.1	vLLM is an inference and serving engine for large language models (LLMs). From 0.7.0 to before 0.19.0, the VideoMediaIO....	2026-04-06
CVE-2026-34756	🔶 medium	6.5	0.0	vLLM is an inference and serving engine for large language models (LLMs). From 0.1.0 to before 0.19.0, a Denial of Servi...	2026-04-06
CVE-2026-34760	🔶 medium	5.9	0.1	vLLM is an inference and serving engine for large language models (LLMs). From version 0.5.5 to before version 0.18.0, L...	2026-04-02

CVE-2026-7141

Summary

Description

📊 Relative Risk Intelligence

🎯 CISA SSVC Assessment Updated: Apr 27, 2026

📦 Affected Products 1

🔗 References 7

🔗 Related CVEs 6