Echo: flask-appbuilder: security update to 4.5.3

low Tenable Self-Hosted Container Security Plugin ID 455354

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Flask-AppBuilder is an application development framework. Prior to 4.5.3, Flask-AppBuilder allows
unauthenticated users to enumerate existing usernames by timing the response time from the server when
brute forcing requests to login. This vulnerability is fixed in 4.5.3. (CVE-2025-24023)

Solution

Update the flask-appbuilder library and its related packages to version 4.5.3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-24023

Plugin Details

Severity: Low

ID: 455354

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2025-24023

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/12/2026

Vulnerability Publication Date: 3/3/2025

Reference Information

CVE: CVE-2025-24023