CVE-2026-100680 Budibase - Insecure Deserialization

Budibase < 3.45.0 contains an insecure deserialization caused by failure to disable external JSON reference resolution in OpenAPI import validator, letting authenticated builders read arbitrary local files.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Insecure Deserialization
Impact
Information Disclosure, File System Read
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
26 September 2026
Updated
15 October 2026
Weakness
CWE-200

Vendor fix

Upgrade to version 3.45.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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