{"id":"CVE-2026-78161","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-78161","summary":"A vulnerability was found in warmcat libwebsockets 4.5.0. Impacted is the function report_raw_cbor of the file lib/misc/lecp.c of the component LECP CBOR Recording. The manipulation…","details":"A vulnerability was found in warmcat libwebsockets 4.5.0. Impacted is the function report_raw_cbor of the file lib/misc/lecp.c of the component LECP CBOR Recording. The manipulation results in out-of-bounds write. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as 1d44554a1bb262db63ff4e240152a9deecd99054. It is best practice to apply a patch to resolve this issue.","published":"2026-08-24T01:16:57.360","modified":"2026-08-24T01:16:57.360","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/warmcat/libwebsockets/commit/1d44554a1bb262db63ff4e240152a9deecd99054","label":"warmcat/libwebsockets@1d44554"},"references":[{"type":"WEB","url":"https://github.com/biniamf/pocs/blob/main/libwebsockets-lecp-lecp_parse-cbor_pos_oob_write/poc_lecp_cbor_pos_oob.c"},{"type":"WEB","url":"https://github.com/biniamf/pocs/tree/main/libwebsockets-lecp-lecp_parse-cbor_pos_oob_write"},{"type":"WEB","url":"https://github.com/warmcat/libwebsockets/"},{"type":"WEB","url":"https://github.com/warmcat/libwebsockets/commit/1d44554a1bb262db63ff4e240152a9deecd99054"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-78161"},{"type":"WEB","url":"https://vuldb.com/submit/883225"},{"type":"WEB","url":"https://vuldb.com/vuln/394543"},{"type":"WEB","url":"https://vuldb.com/vuln/394543/cti"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-24T01:16:57.360"}}