vantage6 lacks brute-force protection on change password functionality
Impact
If attacker gets access to an authenticated session, they can try to brute-force the user password by using the change password functionality: they can call that route infinitely which will return the message that password is wrong until it is correct
Patches
This issue has been patched in version 4.11.0
Workarounds
None
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | vantage6 | < 4.11.0 | 4.11.0 |
References
- https://github.com/vantage6/vantage6/security/advisories/GHSA-j6g5-p62x-58hw
- https://nvd.nist.gov/vuln/detail/CVE-2025-43863
- https://github.com/vantage6/vantage6/commit/e0f1841b310f6f610e8137db2506cf683ce154d0
- https://github.com/pypa/advisory-database/tree/main/vulns/vantage6/PYSEC-2025-220.yaml
- https://github.com/vantage6/vantage6
- CVSS vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U- Weakness (CWE)
CWE-307- Platform
- Python (PyPI)
- Package
vantage6- Disclosed
- 12.06.2025
- Updated
- 11.10.2026 12:19
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2025-220 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-j6g5-p62x-58hw - CC BY 4.0
Vulnerability history: vantage6
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 20
- First → latest
- 02.2023 07.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 5
- Medium 9
- Low 6
Disclosures per year
- 2023: 7
- 2024: 7
- 2025: 1
- 2026: 5
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vantage6 lacks brute-force protection on change password functionality this entry
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