Buttercup allows attackers to obtain the hash of the master password
Buttercup allows attackers to obtain the hash of the master password for the password manager via accessing the file /vaults.json/.
This affects the Buttercup app up to version 2.20.3.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | buttercup | >= 2.20.3, < 7.4.0 | 7.4.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-41646
- https://github.com/buttercup/buttercup-core/issues/336
- https://github.com/buttercup/buttercup-core/commit/77fbcdfe4caf57486a3c83c07fc6d36bb0e1d3e1
- https://buttercup.pw
- https://github.com/buttercup/buttercup-core
- https://github.com/tristao-marinho/CVE-2023-41646
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-916- Platform
- npm
- Package
buttercup- Disclosed
- 08.09.2023
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-7cwq-p8cr-h9qg - CC BY 4.0
Vulnerability history: buttercup
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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