CVE-2023-34110: Flask-AppBuilder is an application development framework, built on top of Flask

Q: How do I fix CVE-2023-34110?

flask-appbuilder: upgrade to 4.3.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-34110 being exploited?

CVE-2023-34110 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-34110 affect?

CVE-2023-34110 affects flask-appbuilder. Severity is low (CVSS 2.7). Flask-AppBuilder is an application development framework, built on top of Flask. Prior to version 4.3.2, an authenticated malicious actor with Admin privileges, could by adding a special character on the add, edit User forms trigger a datab

Q: How urgent is CVE-2023-34110?

Priority 22/100. No elevated risk signals yet.

Routine

LOW 2.7UPGRADE

CVE-2023-34110 is a low-severity flaw (CVSS 2.7) affecting flask-appbuilder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Flask-AppBuilder is an application development framework, built on top of Flask. Prior to version 4.3.2, 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. This vulnerability has been fi

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.7 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-209
Published	2023-06-22
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: flask-appbuilder project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-22 23:15 UTCPublished CVE record published
2026-06-17 06:02 UTCUpdated Record last modified

flask-appbuilder project flask-appbuilder UPGRADE

Affected: < 4.3.2

Fixed in: 4.3.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy flask-appbuilder || rpm -q flask-appbuilder || flask-appbuilder --version

2. UPGRADE to 4.3.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade flask-appbuilder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flask-appbuilder

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-34110?

flask-appbuilder: upgrade to 4.3.2. Exact commands for each OS are on this page.

Is CVE-2023-34110 being exploited?

CVE-2023-34110 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-34110 affect?

CVE-2023-34110 affects flask-appbuilder. Severity is low (CVSS 2.7). Flask-AppBuilder is an application development framework, built on top of Flask. Prior to version 4.3.2, an authenticated malicious actor with Admin privileges, could by adding a special character on the add, edit User forms trigger a datab

How urgent is CVE-2023-34110?

Priority 22/100. No elevated risk signals yet.

Software pages

Flask vulnerabilities

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CVE-2025-24023 LOW 3.7 UPGRADE Flask-AppBuilder is an application development framework
CVE-2024-45314 LOW 3.6 UPGRADE Flask-AppBuilder is an application development framework
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References

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