CVE-2026-18794 OpenRGB: insufficient input data checks lead to Denial-of-Service, memory overread and overwrite
Attackers can cause denial of service and potential code execution in OpenRGB via inconsistent network protocol data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-18794?
CVE-2026-18794 is a high-severity memory corruption vulnerability in CalcProgrammer1 OpenRGB, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The OpenRGB network protocol allows attackers to cause memory exhaustion and out-of-bounds memory reads and writes by passing inconsistent data.
Weakness: CWE-1288
Which versions are affected by CVE-2026-18794?
How do I fix CVE-2026-18794?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-18794 being exploited?
There is no known exploitation of CVE-2026-18794 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-18794, GHSA-2hph-9m2g-p27v, UBUNTU-CVE-2026-18794.