Budibase Server before 3.45.0 Arbitrary File Write via ZIP Symlink
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.
CVE-2026-100682
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-100682
server
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "budibase",
"product": "server",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "3.45.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "3.45.0",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/%40budibase/server",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-100682
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #12670 · Revision 1
- Added to Heist Feed
- Publisher date