CVE-2026-49859

medium

Description

Deno: `fetch()` API sandbox bypass via missing DNS resolution check

Details

Source: Mitre, NVD

Published: 2026-06-16

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.2

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

Severity: Medium

EPSS

EPSS: 0.00021