{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0.5.5","last_affected":"0.23.0"}],"component":"vllm","cve_ids":["CVE-2026-53923"],"ecosystem":"PyPI","epss":0.00484,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-5jv2-g5wq-cmr4","id":"tcs_01M5KH54V1XVQH1SCHMRADM1Q7","modified_at":"2026-07-13T16:33:32.223822993Z","published_at":"2026-07-13T15:46:18.643401Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3403","https://github.com/vllm-project/vllm/security/advisories/GHSA-5jv2-g5wq-cmr4","https://github.com/vllm-project/vllm/pull/44971","https://github.com/vllm-project/vllm/commit/f219788f91952827132fa4fdf916427cd20d225e","https://github.com/vllm-project/vllm","https://pypi.org/project/vllm","https://github.com/advisories/GHSA-5jv2-g5wq-cmr4","https://nvd.nist.gov/vuln/detail/CVE-2026-53923"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3403","url":"https://osv.dev/vulnerability/PYSEC-2026-3403"},{"source":"nvd","source_id":"CVE-2026-53923","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53923"}],"summary":"vLLM: GGUF dequantize kernel int truncation exposes uninitialized GPU memory in multi-tenant serving"}