mangroup dtale up to 3.22.0 Flask Session Cookie dtale/app.py build_secret_key random values

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.4$0-$5k2.30

Summaryinfo

A vulnerability was found in mangroup dtale up to 3.22.0 and classified as problematic. This issue affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. Such manipulation leads to random values. This vulnerability is documented as CVE-2026-19896. The attack can be executed remotely. Additionally, an exploit exists. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability was found in mangroup dtale up to 3.22.0. It has been rated as problematic. Affected by this issue is the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. The manipulation with an unknown input leads to a random values vulnerability. Using CWE to declare the problem leads to CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. Impacted is confidentiality.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-19896. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Random values
CWE: CWE-330 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/14/2026 Advisory disclosed
08/14/2026 +0 days VulDB entry created
08/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 960
Status: Not defined
Confirmation: 🔒

CVE: CVE-2026-19896 (🔒)
GCVE (CVE): GCVE-0-2026-19896
GCVE (VulDB): GCVE-100-390086
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/14/2026 21:02
Changes: 08/14/2026 21:02 (60)
Complete: 🔍
Submitter: ZAST.AI
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #870672: man-group dtale <=3.22.0 Cryptographically Weak PRNG (by ZAST.AI)

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