CVE
CVE-2026-100682
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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.7
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
9.9
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Related Resources
No items found.
References
https://github.com/Budibase/budibase/security/advisories/GHSA-37r6-5jxh-vm83, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100682.json, https://nvd.nist.gov/vuln/detail/CVE-2026-100682, https://www.vulncheck.com/advisories/budibase-server-before-3.45.0-arbitrary-file-write-via-zip-symlink