CVE-2026-68551
Budget Board's OIDC login links to an existing local account by email alone, with no email_verified check, enabling account takeover of pre-existing users
Description
Budget Board is an app for tracking monthly spending and working towards financial goals. Prior to version 3.6.2, Budget Board's OIDC login flow finds and signs into an existing local account purely by matching the email address asserted in the identity provider's token - it never checks the standard email_verified claim. If the configured OIDC provider ever allows a user to register or display an email address without proving they own it , an attacker can register there using a victim's email and get signed into the victim's existing Budget Board account - including all their linked bank data. This issue has been patched in version 3.6.2.
INFO
Published Date :
Nov. 13, 2026, 7:14 p.m.
Last Modified :
Nov. 13, 2026, 7:14 p.m.
Remotely Exploit :
No
Source :
GitHub_M
Affected Products
The following products are affected by CVE-2026-68551
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update Budget Board to version 3.6.2.
- Ensure OIDC provider verifies email ownership.
- Review OIDC configuration for email verification.
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CVE-2026-68551 vulnerability anywhere in the article.