CVE-2026-100682

8.8 HIGHpublic exploit available

Published 2026-09-26 · Updated 2026-09-28

AI risk analysis

Summary: This vulnerability allows attackers with BUILDER role to write arbitrary files as root via a malicious ZIP archive, enabling remote code execution.
Exploitability: Exploitation requires an attacker to have BUILDER role and craft a specific ZIP archive, making it moderately hard to exploit.
Blast radius: If exploited, this could lead to full control of the server, including remote code execution, with severe consequences.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to Budibase Server 3.45.0 or later.

rcewebarbitrary-file-write

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-22

Public exploit & PoC references

https://github.com/Budibase/budibase/security/advisories/GHSA-37r6-5jxh-vm83

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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