CVE-2026-18794 PUBLISHED

OpenRGB: insufficient input data checks lead to Denial-of-Service, memory overread and overwrite

Assigner: suse
Reserved: 04.08.2026 Published: 26.08.2026 Updated: 26.08.2026

The OpenRGB network protocol allows attackers to cause memory exhaustion and out-of-bounds memory reads and writes by passing inconsistent data.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS Score: 8.2

CVSS 3.1

Vendor	CalcProgrammer1
Product	OpenRGB
Versions	Default: unaffected affected from 0 to 1.0rc3 (incl.)