Immediate
Upgrade Taier to the vendor-fixed release first and verify production version consistency.
root@hackertop:~/vulnfeed/CVE-2026-11618#
CVE-2026-11618
MEDIUM
RCE
✓ Patched◉ PoC 公开◉ Mitigation Active
Lifecycle 5/7
DTStack Taier up to 1.4.0 Source Connection Test Endpoint LoginInterceptor.java preHandle improper authentication
LIFECYCLE
6.6
CVSS
Vulnerability Description
A vulnerability, which was classified as critical, has been found in DTStack Taier up to 1.4.0. This issue affects 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. Applying the patch f95389e7f74acec42bcee079a616aaa06f9551d2 is able to eliminate this problem. The bugfix is ready for download at github.com.
Root Cause Analysis
Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Impact: Impacted is confidentiality, integrity, and availability.
Exploit: The exploit is available at github.com. It is declared as proof-of-concept.
Countermeasure: Applying the patch f95389e7f74acec42bcee079a616aaa06f9551d2 is able to eliminate this problem. The bugfix is ready for download at github.com.
Impact: Impacted is confidentiality, integrity, and availability.
Exploit: The exploit is available at github.com. It is declared as proof-of-concept.
Countermeasure: Applying the patch f95389e7f74acec42bcee079a616aaa06f9551d2 is able to eliminate this problem. The bugfix is ready for download at github.com.
Validation (PoC/EXP) - Looking for Contributors
No public PoC yet
Public validation traces already exist. Community contributors can extend them with richer reproduction content.
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Mitigation Plan - Sorted by Priority
High
After upgrade, validate configuration and restart services where needed to ensure the fix is active.
High
Use logs and IOCs to hunt through production traffic and confirm whether exploitation traces already exist.
Medium
Keep this issue on the watch list and follow vendor advisories, rollback notices, and new variants.
Vulnerability Lifecycle - Click each stage to inspect details
The issue has entered HackerTop VulnFeed and is now being tracked by the community.
The vulnerability has been synchronized into the platform and entered the visible triage flow.
Initial impact validation is complete based on current disclosure, technical details, and public intelligence.
A public proof path already exists for reference.
No in-the-wild exploitation has been confirmed yet, but monitoring should continue.
The vendor has published a fix. Prioritize upgrade rollout.
Patch and temporary mitigation options are available. Validate deployed versions and IOC coverage.
6.6
CVSS
Temp Score
6.6
MEDIUM
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metric Details
Attack Vector
Attack Vector
Network
Attack Complexity
Attack Complexity
Low
Privileges Required
Privileges Required
None
User Interaction
User Interaction
None
Confidentiality Impact
Confidentiality Impact
High
Integrity Impact
Integrity Impact
High
Availability Impact
Availability Impact
High
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CVE-2026-11618 · CVSS 6.6 · Patched
