Improper access control in Deno - CVE-2025-48935
Published: April 23, 2026
Vulnerability identifier: #VU127058
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2025-48935
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Deno
How to mitigate CVE-2025-48935
Install security update from vendor's website.
Deno - update to 2.2.5