CVE-2026-116176
vLLM 0.9.2 before 0.24.0 SSRF via X-Request-Id in P2pNcclConnector
CVSS Score
8.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | vllm-project |
| Product | vllm |
| Published | Oct 25, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
Low
Affected Versions
vllm-project / vllm
0.9.2 < 0.24.0
References
Credits
🔍 mschwarzl jperezdealgaba