CVE-2026-47899
HighCVSS 8.7Summary
The Electron preload script in Logseq exposes an API method that allows the renderer process to invoke IPC handlers without proper path validation. An attacker with JavaScript execution in the renderer can read, write, or delete arbitrary files on the user's system.
Risk Assessment
This vulnerability poses a serious risk to user data security, allowing attackers to manipulate files on their systems. In particular, it could lead to data loss or the introduction of malware.
Recommendation
It is recommended to update Logseq to the latest version to minimize the risk associated with this vulnerability. Additionally, monitoring and restricting JavaScript execution in the renderer should be considered.
Original NVD description (English source)
The Electron preload script in Logseq exposes an API method that allows the renderer process to invoke IPC handlers without proper path validation. An attacker with JavaScript execution in the renderer (e.g. via XSS or a malicious plugin), can read, write, or delete arbitrary files on the user's system. While only version v0.10.15 was tested and confirmed as vulnerable, status of other versions is unknown since this issue was not addressed by a patch.