{"action":"Upgrade xgrammar to 0.1.18 or later.","affected":[{"fixed":"0.1.18","introduced":"0"}],"component":"xgrammar","cve_ids":["CVE-2025-32381"],"ecosystem":"PyPI","epss":0.00517,"exploited":false,"fixed_versions":["0.1.18"],"ghsa_id":"GHSA-389x-67px-mjg3","id":"tcs_01M5KEV9RR9BBG9PQED32XNXQP","modified_at":"2026-09-10T03:50:57.150873872Z","published_at":"2025-04-09T13:08:59Z","references":["https://osv.dev/vulnerability/GHSA-389x-67px-mjg3","https://github.com/mlc-ai/xgrammar/security/advisories/GHSA-389x-67px-mjg3","https://nvd.nist.gov/vuln/detail/CVE-2025-32381","https://github.com/mlc-ai/xgrammar/pull/243","https://github.com/vllm-project/vllm/pull/16283","https://github.com/mlc-ai/xgrammar","https://github.com/pypa/advisory-database/tree/main/vulns/xgrammar/PYSEC-2025-235.yaml"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-389x-67px-mjg3","url":"https://osv.dev/vulnerability/GHSA-389x-67px-mjg3"}],"summary":"xgrammar Vulnerable to Denial of Service (DoS) by abusing unbounded cache in memory"}