Vulnerability · Published Aug 26, 2026 · Assigned by suse
CVE-2026-18794OpenRGB: insufficient input data checks lead to Denial-of-Service, memory overread and overwrite
High 8.2
In plain English
A high-severity security flaw in OpenRGB from CalcProgrammer1. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.4%top 63.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The OpenRGB network protocol allows attackers to cause memory exhaustion and out-of-bounds memory reads and writes by passing inconsistent data.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:14 | openrgb | 1.0+ds-0.1 | DEBIAN-CVE-2026-18794 |
| Ubuntu:26.04:LTS | openrgb | no fix listed | UBUNTU-CVE-2026-18794 |
| Ubuntu:26.10 | openrgb | no fix listed | UBUNTU-CVE-2026-18794 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CalcProgrammer1 | OpenRGB | 0 – through 1.0rc3 |
Weakness: CWE-1288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H