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CVE-2026-100682 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Budibase/budibase/security/advisories/GHSA-37r6-5jxh-vm83	CISA-ADP	AdvisoryExploitRemedyTechnical AnalysisVendor
https://github.com/Budibase/budibase/security/advisories/GHSA-37r6-5jxh-vm83	[email protected]	AdvisoryExploitRemedyTechnical AnalysisVendor
https://www.vulncheck.com/advisories/budibase-server-before-3.45.0-arbitrary-file-write-via-zip-symlink	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-22	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')	[email protected]

Affected Products

Product	Versions
Budibase	< 3.45.0 (semver)
CPE cpe:2.3:a:budibase:budibase:::::::: Remediation Upgrade: 3.45.0moderate effort

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 8, 2026	CVE Modified	[email protected]
Sep 30, 2026	CVE Modified	CISA-ADP
Sep 26, 2026	New CVE Received	[email protected]