Security Advisory: CVE-2026-18293
Title: Origin Viewer OPJ File Parsing Out-of-Bounds Write Vulnerability
Severity: High (CVSS 7.8)
Affected Products
Origin Viewer 9.9.5 and earlier
Fixed In
Origin Viewer 10.4.0.25 or later on our website https://www.originlab.com/viewer/
Description
A vulnerability was identified in Origin Viewer’s processing of OPJ project files. A specially crafted OPJ project file could trigger an out-of-bounds write during file parsing. If successfully exploited, the vulnerability could allow arbitrary code execution in the context of the current user.
Impact
An attacker could persuade a user to open a malicious OPJ project file in Origin Viewer, potentially allowing arbitrary code execution with the privileges of the logged-in user.
Mitigation
Users should update to the latest version of Origin Viewer on our website https://www.originlab.com/viewer/.
As a general security practice, users should avoid opening project files obtained from untrusted or unknown sources.
Credits
OriginLab thanks Trend Micro Zero Day Initiative and the researcher rgod for responsibly reporting this vulnerability.
References
CVE-2026-18293
ZDI-CAN-29336