PT-2026-47798 · Logseq · Logseq

Bartłomiej Dmitruk · CVE-2026-47899 · Published 2026-06-09 · Updated 2026-06-09

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Logseq version 0.10.15

Description The Electron preload script exposes an API method that allows the renderer process to invoke IPC (Inter-Process Communication) handlers without proper path validation. An attacker capable of executing JavaScript in the renderer, such as through a malicious plugin or Cross-Site Scripting (XSS), can read, write, or delete arbitrary files on the local system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-749

Related Identifiers

CVE-2026-47899

Affected Products

Logseq

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47899.json · Exploit
• https://osv.dev/vulnerability/CVE-2026-47899 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-47899 · Security Note
• https://github.com/logseq/logseq · Note
• https://twitter.com/f1tym1/status/2064346639087653096 · Twitter Post
• https://logseq.com · Note
• https://twitter.com/VulmonFeeds/status/2064372121690570761 · Twitter Post
• https://cert.pl/en/posts/2026/06/CVE-2026-9279 · Note