CVE-2026-100682: budibase server · Path Traversal
Affects budibase serverSource CVE Database V5
Not known to be exploited · CVSS 8.7 High : upgrade to 3.45.0 soon.
Data as of 10 Nov 2026, 23:24 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.45.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade server and budibase/budibase to 3.45.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| budibaseserver | Affected
| Fixed in
|
GitHubbudibase/budibasepkg:github/budibase/budibaseOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available in Budibase Server version 3.45.0. Users should upgrade to version 3.45.0 or later to remediate this vulnerability.
Description
CVE-2026-100682 is a high-severity vulnerability in Budibase Server versions before 3.45.0. It involves an arbitrary file write issue in the PWA icon upload endpoint, where user-supplied ZIP archives are extracted without proper symlink validation. Attackers with BUILDER role privileges can exploit this by crafting malicious ZIP files to write arbitrary files as root, potentially leading to remote code execution.