CVE-2026-23844 Whisper Money has IDOR Vulnerability on sync/balances endpoint
An attacker can modify account balances in other users' bank accounts due to insecure direct object references in the sync endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-23844?
CVE-2026-23844 is a medium-severity missing authorization vulnerability in whisper-money, published on 19 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Whisper Money is a personal finance application. Versions prior to 0.1.5 have an insecure direct object reference vulnerability. A user can update/create account balances in other users' bank accounts. Version 0.1.5 fixes the issue.
Which versions are affected by CVE-2026-23844?
It affects 1 product.
Products include Whisper.money Whisper Money.
How do I fix CVE-2026-23844?
No fix has been published for CVE-2026-23844 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-23844 being exploited?
There is no known exploitation of CVE-2026-23844 in the wild and no public exploit code.
Sources
Also known as GHSA-c4g3-wpxr-2m74.