Flask-AppBuilder vulnerable to possible disclosure of sensitive information on user error
Impact
An authenticated malicious actor with Admin privileges, could by adding a special character on the add, edit User forms trigger a database error, this error is surfaced back to this actor on the UI. On certain database engines this error can include the entire user row including the pbkdf2:sha256 hashed password.
Patches
Fixed on 4.3.2
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | flask-appbuilder | < 4.3.2 | 4.3.2 |
References
- https://github.com/dpgaspar/Flask-AppBuilder/commit/ae25ad4c87a9051ebe4a4e8f02aee73232642626
- https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v4.3.2
- https://github.com/dpgaspar/Flask-AppBuilder/pull/2045
- https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-jhpr-j7cq-3jp3
- https://nvd.nist.gov/vuln/detail/CVE-2023-34110
- https://github.com/dpgaspar/Flask-AppBuilder
- https://github.com/pypa/advisory-database/tree/main/vulns/flask-appbuilder/PYSEC-2023-94.yaml
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-209- Platform
- Python (PyPI)
- Package
flask-appbuilder- Disclosed
- 22.06.2023
- Updated
- 11.10.2026 12:19
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2023-94 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-jhpr-j7cq-3jp3 - CC BY 4.0
Vulnerability history: flask-appbuilder
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
- 14
- First → latest
- 05.2021 09.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
- Medium 9
- Low 2
Disclosures per year
- 2021: 3
- 2022: 3
- 2023: 2
- 2024: 3
- 2025: 3
- 2026: 0
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Flask-AppBuilder vulnerable to possible disclosure of sensitive information on user error this entry
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