{"id":"CVE-2026-88406","aliases":["EUVD-2026-84192","GHSA-h6rr-j955-q95r"],"status":"published","title":"FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the...","description":"FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _ValidateUnion_Clauses function (/ast/ast_validations.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00458,"percentile":0.40124,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-09-21T00:00:00Z","modified":"2026-09-22T20:00:03Z","references":[{"url":"https://github.com/FalkorDB/FalkorDB/issues/2329"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88406"},{"url":"https://github.com/advisories/GHSA-h6rr-j955-q95r"}],"sources":{"cve":[{"id":"CVE-2026-88406","description":"FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _ValidateUnion_Clauses function (/ast/ast_validations.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.","status":"published","published":"2026-09-21T00:00:00Z","modified":"2026-09-22T14:55:53.187Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:42:04.39372Z"}],"euvd":[{"id":"EUVD-2026-84192","description":"FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _ValidateUnion_Clauses function (/ast/ast_validations.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.","status":"published","published":"2026-09-21T00:00:00Z","modified":"2026-09-22T14:55:53Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","level":"high"}],"updated_at":"2026-11-02T17:28:02.937716Z"}],"ghsa":[{"id":"GHSA-h6rr-j955-q95r","title":"FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the...","description":"FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _ValidateUnion_Clauses function (/ast/ast_validations.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.","status":"published","published":"2026-09-21T21:31:56Z","modified":"2026-09-22T15:32:31Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:12:17.163357Z"}],"nvd":[{"id":"CVE-2026-88406","description":"FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _ValidateUnion_Clauses function (/ast/ast_validations.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.","status":"published","published":"2026-09-21T21:17:14.733Z","modified":"2026-09-22T20:00:03.713Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:50.368368Z"}]}}