{"action":"Upgrade vllm to 0.9.0 or later.","affected":[{"fixed":"0.9.0","introduced":"0"}],"component":"vllm","cve_ids":["CVE-2025-46570"],"ecosystem":"PyPI","epss":0.0043,"exploited":false,"fixed_versions":["0.9.0"],"ghsa_id":"GHSA-4qjh-9fv9-r85r","id":"tcs_01M5KEYV00Y37NGA5KNY7EAAK2","modified_at":"2026-08-07T08:12:07.737844771Z","published_at":"2025-05-28T18:02:24Z","references":["https://osv.dev/vulnerability/GHSA-4qjh-9fv9-r85r","https://github.com/vllm-project/vllm/security/advisories/GHSA-4qjh-9fv9-r85r","https://nvd.nist.gov/vuln/detail/CVE-2025-46570","https://github.com/vllm-project/vllm/pull/17045","https://github.com/vllm-project/vllm/commit/77073c77bc2006eb80ea6d5128f076f5e6c6f54f","https://github.com/pypa/advisory-database/tree/main/vulns/vllm/PYSEC-2025-53.yaml","https://github.com/vllm-project/vllm"],"severity":{"label":"low","score":2.6},"sources":[{"source":"osv","source_id":"GHSA-4qjh-9fv9-r85r","url":"https://osv.dev/vulnerability/GHSA-4qjh-9fv9-r85r"}],"summary":"Potential Timing Side-Channel Vulnerability in vLLM’s Chunk-Based Prefix Caching"}