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Vulnerability · Published Aug 15, 2026 · Assigned by VulDB

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

Low 3.7

In plain English

A low-severity weak randomness in dtale from mangroup. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.5%top 57.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
mangroup dtale 3.03.13.23.33.43.53.63.7

Weakness: CWE-330, CWE-310 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

References