CVE-2023-29005
No Rate Limiting on Login AUTH DB
Flask-AppBuilder versions before 4.3.0 lack rate limiting which can allow an attacker to brute-force user credentials. Version 4.3.0 includes the ability to enable rate limiting using AUTH_RATE_LIMITED = True, RATELIMIT_ENABLED = True, and setting an AUTH_RATE_LIMIT.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
No Rate Limiting on Login AUTH DB
Flask-AppBuilder versions before 4.3.0 lack rate limiting which can allow an attacker to brute-force user credentials. Version 4.3.0 includes the ability to enable rate limiting using AUTH_RATE_LIMITED = True, RATELIMIT_ENABLED = True, and setting an AUTH_RATE_LIMIT.
- Record
CVE-2023-29005- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
EUVDEUVD-2023-1250
Flask-AppBuilder versions before 4.3.0 lack rate limiting which can allow an attacker to brute-force user credentials. Version 4.3.0 includes the ability to enable rate limiting using AUTH_RATE_LIMITED = True, RATELIMIT_ENABLED = True, and setting an AUTH_RATE_LIMIT.
- Record
EUVD-2023-1250- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9hcr-9hcv-x6pv
Flask-AppBuilder Has No Rate Limiting on Login AUTH DB
Impact
Lack of rate limiting will allow an attacker to brute-force user credentials.
Patches
Ability to enable rate limiting on Flask-AppBuilder >= 4.3.0. Use AUTH_RATE_LIMITED = True and RATELIMIT_ENABLED = True set the limit itself by using AUTH_RATE_LIMIT. Will apply only to database authentication.
Workarounds
Implement rate limiting using a reverse proxy or other strategies.
- Record
GHSA-9hcr-9hcv-x6pv- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
NVD
Flask-AppBuilder versions before 4.3.0 lack rate limiting which can allow an attacker to brute-force user credentials. Version 4.3.0 includes the ability to enable rate limiting using AUTH_RATE_LIMITED = True, RATELIMIT_ENABLED = True, and setting an AUTH_RATE_LIMIT.
- Record
CVE-2023-29005- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
OSV
No Rate Limiting on Login AUTH DB
Flask-AppBuilder versions before 4.3.0 lack rate limiting which can allow an attacker to brute-force user credentials. Version 4.3.0 includes the ability to enable rate limiting using AUTH_RATE_LIMITED = True, RATELIMIT_ENABLED = True, and setting an AUTH_RATE_LIMIT.
- Record
CVE-2023-29005- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
OSVGHSA-9hcr-9hcv-x6pv
Flask-AppBuilder Has No Rate Limiting on Login AUTH DB
Impact
Lack of rate limiting will allow an attacker to brute-force user credentials.
Patches
Ability to enable rate limiting on Flask-AppBuilder >= 4.3.0. Use AUTH_RATE_LIMITED = True and RATELIMIT_ENABLED = True set the limit itself by using AUTH_RATE_LIMIT. Will apply only to database authentication.
Workarounds
Implement rate limiting using a reverse proxy or other strategies.
- Record
GHSA-9hcr-9hcv-x6pv- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-307
- Updated
- 2026-11-02
OSVPYSEC-2026-1380
Flask-AppBuilder Has No Rate Limiting on Login AUTH DB
Impact
Lack of rate limiting will allow an attacker to brute-force user credentials.
Patches
Ability to enable rate limiting on Flask-AppBuilder >= 4.3.0. Use AUTH_RATE_LIMITED = True and RATELIMIT_ENABLED = True set the limit itself by using AUTH_RATE_LIMIT. Will apply only to database authentication.
Workarounds
Implement rate limiting using a reverse proxy or other strategies.
- Record
PYSEC-2026-1380- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
flask-appbuilderPyPI |
before 4.3.0 | 4.3.0 |
flask-appbuilderPyPI |
before 4.3.0, plus listed versions 0.1.100.1.110.1.120.1.130.1.14 Show 45 moreShow less0.1.150.1.160.1.170.1.180.1.190.1.200.1.210.1.220.1.230.1.240.1.250.1.260.1.270.1.280.1.290.1.30.1.330.1.340.1.350.1.360.1.370.1.380.1.40.1.430.1.440.1.450.1.460.1.470.1.50.1.60.1.70.1.80.1.90.10.00.10.10.10.20.10.30.10.40.10.50.10.60.10.70.2.00.2.10.2.20.3.0 |
4.3.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-29005 is a high vulnerability (CVSS 7.5) in Dpgaspar Flask-appbuilder, published April 10, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. Fixed in flask-appbuilder 4.3.0.
References
github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-9hcr-9hcv-x6pv
flask-limiter.readthedocs.io/en/stable/configuration.html
nvd.nist.gov/vuln/detail/CVE-2023-29005
pypi.org/project/flask-appbuilder
Left out here: 238 versions. The JSON record has them.