Auth bypass in Dtstack Taier
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Dtstack Taier — versions 1.0, 1.1, 1.2
Weakness classification (CWE)
References
- github.com/DTStack/Taier/ (product)
- github.com/DTStack/Taier/commit/f95389e7f74acec42bcee079a616aaa06f9551d2 (patch)
- github.com/DTStack/Taier/issues/1194 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-11618 (third-party-advisory)
- vuldb.com/submit/834008 (third-party-advisory)
- vuldb.com/vuln/369299 (technical-description, vdb-entry)
- vuldb.com/vuln/369299/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-11618?
- CVE-2026-11618 is a high-severity vulnerability in Dtstack Taier, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-06-09.
- How severe is CVE-2026-11618?
- High severity. CVSS v3 base score is 7.3 out of 10.