#VU123174 Path traversal in Rollup - CVE-2026-27606
Published: February 24, 2026
Vulnerability identifier: #VU123174
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2026-27606
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Rollup
Rollup
Software vendor:
Rollup
Rollup
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the Rollup module bundler. A remote attacker can send a specially crafted HTTP request and write arbitrary files on the system, leading to arbitrary code execution.
Remediation
Install updates from vendor's website.