CVE-2025-4748 MEDIUM

CVE-2025-4748: Absolute path traversal in zip:unzip/1,2

Vendor Erlang
Product OTP
Weakness CWE-22 · Path traversal
Published June 16, 2025
Last update May 27, 2026

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L

What the vulnerability does

01Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Erlang OTP (stdlib modules) allows Absolute Path Traversal, File Manipulation. This vulnerability is associated with program files lib/stdlib/src/zip.erl and program routines zip:unzip/1, zip:unzip/2, zip:extract/1, zip:extract/2 unless the memory option is passed. This issue affects OTP from OTP 17.0 until OTP 28.0.1, OTP 27.3.4.1 and OTP 26.2.5.13, corresponding to stdlib from 2.0 until 7.0.1, 6.2.2.1 and 5.2.3.4.

Key dates

02Disclosure timeline

June 16, 2025 CVE published
May 27, 2026 Record updated