CVE-2026-100684 Budibase - Authentication Bypass

Budibase 3.41.0 before 3.45.0 contains an authentication bypass caused by improper validation of pending user invites in the OIDC/SSO login path, letting attackers asserting victim's invited email address inherit privileges, exploit requires attacker to register at a trusted IdP and assert victim's email.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.33% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
26 September 2026
Updated
15 October 2026
Weakness
CWE-287

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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