PT-2026-86933 · Git+1 · Knowns

CVE-2026-86540

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Published

2026-09-07

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Updated

2026-09-11

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.

Exploit

Fix

OS Command Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-86540
GHSA-MC52-MWQ4-VFX3

Affected Products

Knowns