Description
vLLM from 0.9.2 before 0.24.0 contains a server-side request forgery vulnerability that allows API callers to force outbound connections by embedding a decode address in the X-Request-Id header. Attackers can make a P2pNcclConnector prefill worker ZMQ-connect to an attacker host, leaking the NCCL unique_id and KV-cache tensors or blocking the worker.
Published: 2026-10-25
Score: 8.8 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Advisories

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History

Sun, 25 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description vLLM from 0.9.2 before 0.24.0 contains a server-side request forgery vulnerability that allows API callers to force outbound connections by embedding a decode address in the X-Request-Id header. Attackers can make a P2pNcclConnector prefill worker ZMQ-connect to an attacker host, leaking the NCCL unique_id and KV-cache tensors or blocking the worker.
Title vLLM 0.9.2 before 0.24.0 SSRF via X-Request-Id in P2pNcclConnector
First Time appeared Vllm
Vllm vllm
Weaknesses CWE-918
CPEs cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*
Vendors & Products Vllm
Vllm vllm
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L'}

cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

Vllm Vllm
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-25T13:20:16.476Z

Reserved: 2026-10-25T12:25:26.984Z

Link: CVE-2026-116176

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-25T14:16:57.160

Modified: 2026-10-25T14:16:57.160

Link: CVE-2026-116176

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses