Improper access control in Deno - CVE-2025-48935
Published: April 23, 2026
Vulnerability identifier: #VU127058
CSH Severity: Medium
CVSS v4.0: 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
CVE-ID: CVE-2025-48935
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Deno Land
Affected software:
Deno
Deno
Detailed vulnerability description
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.
How to mitigate CVE-2025-48935
Install security update from vendor's website.