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CVE-2026-107909: FalkorDB 0 to before 4.20.0
CVE-2026-107909. CVSS 3.1 base score 9.1 (CRITICAL, Source advisory).
Affected technology
FalkorDB · 0 to before 4.20.0
FalkorDB
Component: Bolt protocol endpoint
Function: ws_read_frame, buffer_apply_mask
File: src/bolt/ws.c, src/bolt/buffer.c
Attack conditions (Source advisory, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
A remote unauthenticated attacker can cause a denial of service and possibly corrupt heap memory by sending a WebSocket frame with a 64-bit extended payload length to the Bolt port. Source advisory’s CVSS 4.0 assessment (base score 8.8/10) rates confidentiality impact as none; integrity and availability impact as high.
- CWE
- CWE-787
- CCR priority
- 36.4 /100 (P4)
- CVSS 3.1
- 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H · Source advisory
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-09 12:23:46.868896+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-09 12:21:30.679837+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-107909.html