{"action":"Upgrade vllm to 0.24.0 or later.","affected":[{"fixed":"0.24.0","introduced":"0"}],"component":"vllm","cve_ids":["CVE-2026-55574"],"ecosystem":"PyPI","epss":0.00583,"exploited":false,"fixed_versions":["0.24.0"],"ghsa_id":"GHSA-rwxx-mrjm-wc2m","id":"tcs_01M5KFYVHEM60ZCM2PGTNPQBJQ","modified_at":"2026-09-10T03:51:12.174615800Z","published_at":"2026-07-17T17:10:37Z","references":["https://osv.dev/vulnerability/GHSA-rwxx-mrjm-wc2m","https://github.com/vllm-project/vllm/security/advisories/GHSA-rwxx-mrjm-wc2m","https://nvd.nist.gov/vuln/detail/CVE-2026-55574","https://github.com/vllm-project/vllm/pull/45118","https://github.com/vllm-project/vllm/commit/2b3006076c5e9bc4cda9e03e3641388de3c5c286","https://github.com/pypa/advisory-database/tree/main/vulns/vllm/PYSEC-2026-2304.yaml","https://github.com/vllm-project/vllm"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-rwxx-mrjm-wc2m","url":"https://osv.dev/vulnerability/GHSA-rwxx-mrjm-wc2m"}],"summary":"vLLM: ReDoS via structured_outputs.regex compiled without timeout in xgrammar and outlines backends"}