CVE-2026-100682
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Sep 26, 2026
Vendor
unknown
Description
Budibase Server before 3.45.0 contains an arbitrary file write vulnerability in the PWA icon upload endpoint that extracts user-supplied ZIP archives without proper symlink validation. Attackers with BUILDER role can craft a malicious ZIP with leaf symlink entries followed by duplicate file entries to write arbitrary files as root, enabling remote code execution.