CVE-2026-19896 MEDIUM

CVE-2026-19896: mangroup dtale Flask Session Cookie app.py build_secret_key random values

Vendor Mangroup
Product dtale
Weakness CWE-330 · Insufficient randomness
Published August 15, 2026
Last update August 18, 2026

CVSS base score

6.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Key dates

02Disclosure timeline

August 15, 2026 CVE published
August 18, 2026 Record updated

Related vulnerabilities

04Related CVE