{"id":"CVE-2026-88406","published":"2026-09-21T21:17:14.733","lastModified":"2026-09-21T21:17:14.733","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.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://github.com/FalkorDB/FalkorDB/issues/2329","tags":[]}],"exploitRefs":[{"url":"https://github.com/FalkorDB/FalkorDB/issues/2329","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw in FalkorDB (Redis module) allows attackers to cause a Denial of Service via a stack overflow from a crafted input, compromising system availability.","exploitability":"Exploitation requires crafting a specific input and access to the affected version range; moderate skill level needed.","blast_radius":"If exploited, it could lead to service disruption for systems using FalkorDB, impacting operational continuity.","remediation":"Upgrade FalkorDB to a non-affected version immediately or apply vendor patches.","tags":["dos","stack-overflow","redis"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-22T06:14:15.324Z"}}