CVE-2023-34110

What it is

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 fixed in version 4.3.2.

At a glance

Exploitability

Can be exploited over the network with an admin-level account. Limited direct impact.

Exploit odds

0.7% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2023-06-22 23:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 06:02 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.7% in the next 30 days (EPSS).
• Severity: 2.7 LOW (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-06-22 23:15 UTC

Last modified

2026-06-17 06:02 UTC

Exploit probability

0.7% · EPSS, next 30 days

Weakness

CWE-209

Record status

Modified

Affected

• flask-appbuilder Project flask-appbuilder < 4.3.2

Attack profile CVSS 3.1 · 2.7

Attack vector

Network

Complexity

Low

Privileges needed

High

User interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-34110.md and follow it. Check whether this project is affected by CVE-2023-34110. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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