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CVE-2026-18794— OpenRGB: insufficient input data checks lead to Denial-of-Service, memory overread and overwrite

Quick assessment

Affected
CalcProgrammer1 OpenRGB
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenRGB是OpenRGB组织的一款RGB灯光控制软件。 OpenRGB 1.0rc3及之前版本存在输入验证错误漏洞，该漏洞源于对输入数据一致性验证不当，可能导致内存耗尽和越界内存读写。

CVSS 8.2 · High EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1046 · Network Service Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
CalcProgrammer1 OpenRGB ≤ 1.0rc3 affected
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I. Basic Information for CVE-2026-18794

Vulnerability Information
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Vulnerability Title
OpenRGB: insufficient input data checks lead to Denial-of-Service, memory overread and overwrite
Source: CVE Program / CVE List V5
Vulnerability Description
The OpenRGB network protocol allows attackers to cause memory exhaustion and out-of-bounds memory reads and writes by passing inconsistent data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1288
Source: CVE Program / CVE List V5
Vulnerability Title
OpenRGB 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenRGB是OpenRGB组织的一款RGB灯光控制软件。 OpenRGB 1.0rc3及之前版本存在输入验证错误漏洞，该漏洞源于对输入数据一致性验证不当，可能导致内存耗尽和越界内存读写。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
CalcProgrammer1 OpenRGB 0 ~ 1.0rc3 -

II. Public POCs for CVE-2026-18794

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III. Intelligence Information for CVE-2026-18794

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Patches & Fixes for CVE-2026-18794 (1)

Other References for CVE-2026-18794 (1)

Same Patch Batch · CalcProgrammer1 · 2026-08-26 · 3 CVEs total

CVE-2026-59683 9.8 CRITICAL OpenRGB: local and remote system compromise via arbitrary file write using attacker contro
CVE-2026-59682 9.1 CRITICAL Arbitrary file overwrite and deletion local and remote in OpenRGB

IV. Related Vulnerabilities

Same product: OpenRGB
Same vendor: CalcProgrammer1
Same weakness: CWE-1288

V. Comments for CVE-2026-18794

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