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CVE-2026-86540

knowns before 0.30.0 Arbitrary Code Execution via LSP Binary PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
knowns-dev / knownsaffected 0 before 0.30.0; unaffected 0.30.0

CWE

CWE-78

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.