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Description

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.

PUBLISHED Reserved 2026-06-08 | Published 2026-06-09 | Updated 2026-06-09 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Improper Authentication

Product status

1.0
affected

1.1
affected

1.2
affected

1.3
affected

1.4.0
affected

Timeline

2026-06-08:Advisory disclosed
2026-06-08:VulDB entry created
2026-06-08:VulDB entry last update

Credits

anch0r (VulDB User) reporter

References

github.com/DTStack/Taier/issues/1194 exploit

vuldb.com/vuln/369299 (VDB-369299 | DTStack Taier Source Connection Test Endpoint LoginInterceptor.java preHandle improper authentication) vdb-entry technical-description

vuldb.com/vuln/369299/cti (VDB-369299 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-11618 (CVE-2026-11618 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/834008 (Submit #834008 | DTStack Taier <=1.0.0 Code Injection) third-party-advisory

github.com/DTStack/Taier/issues/1194 exploit issue-tracking

github.com/...ommit/f95389e7f74acec42bcee079a616aaa06f9551d2 patch

github.com/DTStack/Taier/ product

cve.org (CVE-2026-11618)

nvd.nist.gov (CVE-2026-11618)

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