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DTStack Taier EUVDEUVD-2026-58557

| CVE-2026-19763 MEDIUM
Path Traversal (CWE-22)
2026-08-14 VulDB GHSA-v3r7-p73g-2j3x
Path Traversal Java Taier
5.1
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
5.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
3.8 LOW

High privilege required for cluster creation access; path deletion causes limited integrity and availability impact with no confidentiality exposure.

3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

2
Source Code Evidence Fetched
Aug 14, 2026 - 00:42 vuln.today
Analysis Generated
Aug 14, 2026 - 00:42 vuln.today

DescriptionCVE.org

A vulnerability was determined in DTStack Taier 1.4.0. Affected by this issue is the function FileUtils.deleteDirectory of the file ClusterController.java of the component Cluster Creation. This manipulation of the argument clusterName causes path traversal. Remote exploitation of the attack is possible. Upgrading to version 1.5.0 can resolve this issue. Patch name: ec8c59c76aceb04ab3080543ab2d9c6a4b674729. The affected component should be upgraded.

AnalysisAI

Path traversal in DTStack Taier 1.4.0 allows an authenticated administrative user to supply a crafted clusterName containing directory-escape sequences during cluster creation, causing FileUtils.deleteDirectory to operate on arbitrary filesystem paths outside the intended temp directory. The CVSS 4.0 score of 5.1 with PR:H reflects the constrained attack surface: only users with cluster management privileges can trigger the flaw. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate as Taier admin
Delivery
Submit crafted clusterName with path traversal sequences via cluster creation API
Exploit
Taier builds unsanitized filesystem path in getLocalKerberosPath()
Execution
FileUtils.deleteDirectory() called on attacker-controlled path
Persist
Arbitrary directory deleted outside temp scope
Impact
Service disruption or Kerberos config destroyed
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated session with high-privilege cluster management rights in Taier, as confirmed by CVSS PR:H. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.1 with PR:H accurately characterises the constrained real-world risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated Taier administrator submits a cluster creation request with a crafted clusterName value such as '../../var/lib/taier-kerberos' to the Cluster Creation API endpoint. Taier's ConsoleComponentService builds an unsanitized path by concatenating the temp directory with the attacker-controlled name, then passes the result to FileUtils.deleteDirectory(), deleting an arbitrary directory on the server filesystem. …
Remediation Upgrade to DTStack Taier 1.5.0, available at https://github.com/DTStack/Taier/releases/tag/v1.5.0, which applies all three path traversal fixes under commit ec8c59c76aceb04ab3080543ab2d9c6a4b674729 (https://github.com/DTStack/Taier/commit/ec8c59c76aceb04ab3080543ab2d9c6a4b674729). … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-58557 vulnerability details – vuln.today
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