{"affected":[{"defaultStatus":"unaffected","ecosystem":"pypi","packageName":"vllm","product":"vllm","source":"CNA: VulnCheck","vendor":"vllm-project","versions":[{"lessThan":"0.24.0","status":"affected","version":"0.9.2","versionType":"semver"},{"status":"unaffected","version":"0.24.0","versionType":"semver"}]}],"cpeConfigurations":[{"negate":false,"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*","versionEndExcluding":"0.24.0","versionStartIncluding":"0.9.2","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"cveId":"CVE-2026-116176","cwes":["CWE-918"],"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.","epss":{"date":"2026-11-04","percentile":0.24916,"score":0.00318},"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: VulnCheck","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","version":"4.0"},{"score":8.2,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","version":"3.1"},{"score":8.8,"severity":"high","source":"NVD: disclosure@vulncheck.com","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":8.2,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","version":"3.1"}],"modifiedAt":1793809063057,"publishedAt":1792934416476,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-vfp2-c8pq-v6h6"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/vllm-0.9.2-before-0.24.0-ssrf-via-x-request-id-in-p2pncclconnector"},{"source":"disclosure@vulncheck.com","tags":["Vendor Advisory"],"url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-vfp2-c8pq-v6h6"},{"source":"disclosure@vulncheck.com","tags":["Third Party Advisory"],"url":"https://www.vulncheck.com/advisories/vllm-0.9.2-before-0.24.0-ssrf-via-x-request-id-in-p2pncclconnector"}],"remediation":[],"revision":"3f9ab9cf8f49c523e30195a6d3831ce5e735bcd149e5e86d2265e4652a997828","sources":[{"modifiedAt":1793805636036,"name":"CNA: VulnCheck","retrievedAt":1793808591498,"url":"https://www.cve.org/CVERecord?id=CVE-2026-116176"},{"modifiedAt":1793809063057,"name":"NVD","retrievedAt":1793816321647,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116176"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793808599315,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-116176"}],"ssvc":{"assessedAt":1793805626131,"automatable":"yes","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"vLLM 0.9.2 before 0.24.0 SSRF via X-Request-Id in P2pNcclConnector","updatedAt":1793816321647}