CVE-2026-66749

CVE-2026-66749 affects Let's Chat versions 0.4.0–0.4.8. It describes a null dereference that allows an authenticated attacker to crash the Node.js server by supplying a valid 24-character hex room parameter that does not match any document in the database. A crafted GET /messages request triggers...

CVE-2026-66749 Let's Chat 0.4.0 - 0.4.8 Denial of Service via Null Dereference in Room Lookup

Let's Chat 0.4.0 through 0.4.8 contains a null dereference vulnerability that allows authenticated attackers to crash the server by supplying a valid 24-character hex string room parameter that matches no document in the database. Attackers can send a crafted GET /messages request causing an...