CVE-2026-18794

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

State: Published
Severity: 8.8 High
Published: Aug 26, 2026
Updated: Aug 26, 2026
Reserved: Aug 4, 2026

Description

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

Scores

CVSS	Score	Vector	Source
4.0	8.8 High	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	suse
3.1	8.2 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H	suse

Weaknesses

CWE-1288 Improper Validation of Consistency within Input

Affected Products

Product	Versions
OpenRGBCalcProgrammer1	1.0rc3 and earlierAffected

References

https://bugzilla.suse.com/show_bug.cgi?id=1274022issue-tracking
https://gitlab.com/CalcProgrammer1/OpenRGB/-/commit/d2dd9dcc7369e78f47d01ace19af3750cd89ae66patch

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