{"action":"Upgrade vllm to 0.26.0 or later.","affected":[{"fixed":"0.26.0","introduced":"0.19.0"}],"component":"vllm","cve_ids":["CVE-2026-73559"],"ecosystem":"PyPI","epss":0.00583,"exploited":false,"fixed_versions":["0.26.0"],"ghsa_id":"GHSA-87x5-vmc3-756j","id":"tcs_01M5KF7KR0JV3364XJDSTQJSGD","modified_at":"2026-09-10T03:50:53.507329498Z","published_at":"2026-08-13T18:40:06Z","references":["https://osv.dev/vulnerability/GHSA-87x5-vmc3-756j","https://github.com/vllm-project/vllm/security/advisories/GHSA-87x5-vmc3-756j","https://nvd.nist.gov/vuln/detail/CVE-2026-73559","https://github.com/vllm-project/vllm/pull/47845","https://github.com/vllm-project/vllm/commit/675f4295cdfe0d870471c2b51bfeca3a68a9569e","https://github.com/vllm-project/vllm","https://github.com/vllm-project/vllm/releases/tag/v0.26.0"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-87x5-vmc3-756j","url":"https://osv.dev/vulnerability/GHSA-87x5-vmc3-756j"}],"summary":"vLLM: Completion prompt lists fan out into unbounded engine requests"}