HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-100682 — Budibase Server before 3.45.0 contains an arbitrary file write vulnerability in ...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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. CVSS Score: 8.8. Published: 2026-09-26T14:16:52.433.

Indicators of Compromise (1)

CVE (1)
CVE-2026-100682
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Sep 26, 2026. Verified by: NIST.

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