What’s Vulnerable › Vulnerabilities

CVE-2026-23844: Whisper Money has IDOR Vulnerability on sync/balances endpoint

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-19 · updated 2026-06-17
• Weakness: CWE-488

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.

Affected products

• whisper-money: before 0.1.5 — fixed in 0.1.5

How to fix

Upgrade to a fixed version: whisper-money 0.1.5. Check the vendor advisory for mitigations.

References

• https://github.com/whisper-money/whisper-money/commit/80117c3edeaf5c5a5166f3815fc555a15b5ce686
• https://github.com/whisper-money/whisper-money/pull/60
• https://github.com/whisper-money/whisper-money/security/advisories/GHSA-c4g3-wpxr-2m74

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