DTStack Taier Source Connection Test Endpoint LoginInterceptor.java preHandle improper authentication
CVE-2026-11618

6.9MEDIUM

Key Information:

Vendor

Dtstack

Status
Taier
Vendor
CVE Published:
9 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11618?

A vulnerability was determined in DTStack Taier up to 1.4.0. The affected element is the function preHandle of the file taier-data-develop/src/main/java/com/dtstack/taier/develop/interceptor/LoginInterceptor.java of the component Source Connection Test Endpoint. Executing a manipulation can lead to improper authentication. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This patch is called f95389e7f74acec42bcee079a616aaa06f9551d2. A patch should be applied to remediate this issue.

Affected Version(s)

Taier 1.0

Taier 1.1

Taier 1.2

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-2026-11618 - Proof of Concept

References

https://vuldb.com/vuln/369299
vdb-entrytechnical-description
https://vuldb.com/vuln/369299/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11618
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

anch0r (VulDB User)
.