CVE-2026-125365
DollarDollar through 4.4 Missing Authorization in /add_expense Balance Tampering
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| dollardollar harung1993 |
≥ 0; ≤ 4.4 (affected, custom)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 7.1 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 6.5 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/harung1993/dollardollar/issues/125CNA: VulnCheck · issue-tracking
- https://github.com/harung1993/dollardollarCNA: VulnCheck · product
- https://github.com/harung1993/dollardollar/blob/v4.4/app.py#L4298CNA: VulnCheck · technical-description
- https://www.vulncheck.com/advisories/dollardollar-through-4.4-missing-authorization-in-add-expense-balance-tamperingCNA: VulnCheck · third-party-advisory
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