HIGH 7.1 NVD
CVE-2026-125365
DollarDollar through 4.4 contains a missing authorization vulnerability in add_expense() that allows authenticated users to modify other users' account balances
DollarDollar through 4.4 contains a missing authorization vulnerability in add_expense() that allows authenticated users to modify other users' account balances by supplying foreign account_id values. Attackers can submit sequential account_id, destination_account_id, and group_id values to /add_expense to tamper with balances and inject expenses into foreign groups with an arbitrary payer.
References
- https://github.com/harung1993/dollardollar
- https://github.com/harung1993/dollardollar/blob/v4.4/app.py#L4298
- https://github.com/harung1993/dollardollar/issues/125
- https://www.vulncheck.com/advisories/dollardollar-through-4.4-missing-authorization-in-add
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-11-10 via NVD.
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