CVE-2026-86540

Katalog CVE

CVSS 7.8 · High EPSS 0,21%

Kerentanan Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'). Skor CVSS 3.1 7.8 (High) menurut vulncheck.com.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

7 September 2026

Terakhir diubah

8 September 2026

Status NVD

Deferred

CVSS 3.1

7.8 (High), sumber vulncheck.com
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

EPSS (30 hari)

0,21% peluang dieksploitasi; lebih tinggi dari 10,7% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/lsp/detect.go#L128-L157
• https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/models/config.go#L205-L216
• https://github.com/knowns-dev/knowns/commit/d3989829fb5095666d23d005b2f78a082832a396
• https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
• https://github.com/knowns-dev/knowns/security/advisories/GHSA-mc52-mwq4-vfx3
• https://www.vulncheck.com/advisories/knowns-before-0.30.0-arbitrary-code-execution-via-lsp-binary