CVE-2026-100688: budibase server · Insecure Direct Object Reference
Affects budibase serverSource CVE Database V5
Not known to be exploited · CVSS 7.1 High : upgrade to 3.45.0 soon.
Data as of 9 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 26% 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:N/VA:N/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 9 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
Upgrade Budibase server to version 3.45.0 or later, where this vulnerability is fixed. Patch status is confirmed by the affectedVersions field indicating versions before 3.45.0 are vulnerable. No vendor advisory content was provided, so check official Budibase resources for the patch and further guidance.
Description
Budibase server versions before 3.45.0 have an authorization bypass vulnerability in the GET /api/applications/:appId/appPackage endpoint. This flaw allows authenticated users to access another tenant's application metadata and source code without proper authorization. Sensitive details exposed include navigation structure, role names, internal screen URLs, JavaScript snippets, and user identifiers.