Improper Restriction of Excessive Authentication Attempts in D-Tale by Man Group
CVE-2026-19897

6.3MEDIUM

Key Information:

Vendor

Mangroup

Status
Dtale
Vendor
CVE Published:
15 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19897?

A security flaw exists within the D-Tale product developed by Man Group, specifically in the Login function found in the dtale/auth.py file. This vulnerability allows attackers to manipulate the Login Endpoint to bypass restrictions on excessive authentication attempts. As a result, it poses a risk of unauthorized access due to insufficient handling of authentication requests. Although the vulnerability can be exploited remotely, achieving exploitation requires a high level of complexity. The issue was publicly disclosed after an early report to the developers, who have yet to respond adequately.

Affected Version(s)

dtale 3.0

dtale 3.1

dtale 3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19897 - Proof of Concept

References

https://vuldb.com/vuln/390087
vdb-entrytechnical-description
https://vuldb.com/vuln/390087/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19897
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ZAST.AI (VulDB User)
VulDB CNA Team
.