CVE-2026-4270 - CERT CVE
ID CVE-2026-4270
Sažetak 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.
Reference
CVSS
Base: 5.5
Impact: 3.6
Exploitability:1.8
Pristup
VektorSloženostAutentikacija
LOCAL LOW NONE
Impact
PovjerljivostCjelovitostDostupnost
HIGH NONE NONE
CVSS vektor CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Zadnje važnije ažuriranje 17-03-2026 - 14:20
Objavljeno 16-03-2026 - 17:16