Security Advisory

CVE-2026-86540

CVSS 7.8
HIGH

Vulnerability Description

knowns versions before 0.30.0 fail to validate the settings.lsp.languages binary field in project configuration files, allowing attackers to execute arbitrary binaries by crafting a malicious .knowns/config.json file. When a repository with a crafted configuration is opened, the unvalidated binary path is executed twice under the user's account without any verification.
Published Date 2026-09-07T23:16:53.723
Data Feed NIST National Vulnerability Database