SB20260423123 - Improper access control in Deno



SB20260423123 - Improper access control in Deno

Published: April 23, 2026

Security Bulletin ID SB20260423123
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2025-48935)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass read and write permission checks.

The vulnerability exists due to improper access control in the node:sqlite DatabaseSync interface when executing an ATTACH DATABASE statement. A remote attacker can execute a crafted SQL statement to bypass read and write permission checks.


Remediation

Install update from vendor's website.