{"id":"CVE-2026-116011","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-116011","summary":"Crow before 1.3.4 contains an uncontrolled recursion vulnerability in crow::json::load() that allows remote unauthenticated attackers to crash the server by sending deeply nested JSON.…","details":"Crow before 1.3.4 contains an uncontrolled recursion vulnerability in crow::json::load() that allows remote unauthenticated attackers to crash the server by sending deeply nested JSON. Attackers can send a request body with thousands of nested objects to exhaust the worker thread stack, terminating the process and dropping all connections.","published":"2026-10-24T12:16:57.070","modified":"2026-10-24T12:16:57.070","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/CrowCpp/Crow/commit/6956b7ca93c5df22f5aaccd670e5aa000c0d882b","label":"CrowCpp/Crow@6956b7c"},"references":[{"type":"WEB","url":"https://github.com/CrowCpp/Crow/blob/v1.3.3/include/crow/json.h#L878"},{"type":"WEB","url":"https://github.com/CrowCpp/Crow/commit/6956b7ca93c5df22f5aaccd670e5aa000c0d882b"},{"type":"WEB","url":"https://github.com/CrowCpp/Crow/releases/tag/v1.3.4"},{"type":"WEB","url":"https://github.com/CrowCpp/Crow/security/advisories/GHSA-7x84-xhp8-6cqj"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/crow-before-1.3.4-denial-of-service-via-deeply-nested-json-in-crow-json-load"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T12:16:57.070"}}