CVSS 8.8 — ALTO

CVE-2026-86439 — Vulnerabilità HIGH su N/A

Pubblicato il 2026-09-07 · Fonte: NVD NIST

CVE ID

CVE-2026-86439

CVSS Score

8.8

Vendor

N/A

Prodotti

N/A

Exploit pubblico

Non noto

Sfruttata (CISA)

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Riassunto tecnico

knowns versions before 0.30.0 fail to validate filesystem paths in MCP tool arguments, allowing attackers to read, create, overwrite and delete files outside the project directory. Attackers can supply path arguments containing directory traversal sequences to access arbitrary Markdown files accessible to the server process.

Impatto

Vulnerabilità con punteggio CVSS 8.8 (HIGH). Sfruttata attivamente: No.

Sistemi vulnerabili

Vendor: N/A
Prodotti: N/A

Mitigazioni

Applicare le patch del vendor appena disponibili. Monitorare gli advisory ufficiali.

Fonti ufficiali

🔗 NVD NIST — CVE-2026-86439

https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/doc_store.go#
https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/storage/memory_store.
https://github.com/knowns-dev/knowns/commit/09c5a96fd5817b941dc86669278c1a17db10
https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
https://github.com/knowns-dev/knowns/security/advisories/GHSA-9gfj-28hw-jchp

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