CVE-2026-4270

Katalog CVE

CVSS 5.5 · Medium EPSS 0,19%

Kerentanan Improper Protection of Alternate Path pada amazon aws api mcp server. Skor CVSS 3.1 5.5 (Medium) menurut CNA.

Deskripsi (NVD)

Improper Protection of Alternate Path exists in the no-access and workdir feature of the AWS API MCP Server versions >= 0.2.14 and < 1.3.9 on all platforms may allow the bypass of intended file access restriction and expose arbitrary local file contents in the MCP client application context. To remediate this issue, users should upgrade to version 1.3.9.

Rincian

Terbit di NVD

16 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

5.5 (Medium), sumber CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-424: Improper Protection of Alternate Path

EPSS (30 hari)

0,19% peluang dieksploitasi; lebih tinggi dari 7,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://aws.amazon.com/security/security-bulletins/2026-007-AWS/ advisory vendor
• https://pypi.org/project/awslabs.aws-api-mcp-server/1.3.9/ advisory pihak ketiga