{"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_01M5KH6VYNAZXXPYG0X663Y1CF","modified_at":"2026-08-19T12:45:08.461257184Z","published_at":"2026-08-19T11:56:26.509079Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3704","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","https://pypi.org/project/vllm","https://github.com/advisories/GHSA-87x5-vmc3-756j"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3704","url":"https://osv.dev/vulnerability/PYSEC-2026-3704"}],"summary":"vLLM: Completion prompt lists fan out into unbounded engine requests"}