A stack overflow and DoS vulnerability in DTStack/chunjun
Priority MEDIUM 43CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
Deserialization of Untrusted Data vulnerability in DTStack chunjun (chunjun-core/src/main/java/com/dtstack/chunjun/util modules). This vulnerability is associated with program files GsonUtil.Java. This issue affects chunjun: before 1.16.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
No affected products listed by the sources yet.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-4735
- 2026-10-03 Alias added: GHSA-q9jc-xq58-m52x
References
More DTStack vulnerabilities
- TI-2023-14050 An insecure permissions in /Taier/API/tenant/listTenant interface in DTStack Taier 1.3.0… CVSS 3.1HIGH 7.5
- TI-2026-16028 DTStack Taier Chunk-Check Endpoint FileChunkController.java Paths.ge path traversal CVSS 4.0MEDIUM 6.9
- TI-2026-10029 DTStack Taier Source Connection Test Endpoint LoginInterceptor.java preHandle improper authentication CVSS 4.0MEDIUM 6.9
- TI-2026-08284 DTStack Taier REST API Runtime.exec os command injection CVSS 4.0MEDIUM 5.3
- TI-2026-16029 DTStack Taier Cluster Creation ClusterController.java FileUtils.deleteDirectory path traversal CVSS 4.0MEDIUM 5.1
- TI-2026-16027 DTStack Taier Upload Controller UploadController.java MultipartFile.getOriginalFilename path traversal CVSS 4.0MEDIUM 5.1
Sources
- CVE-2026-4735 · CVE Program
- CVE-2026-4735 · NVD
- FIRST EPSS
- GHSA-q9jc-xq58-m52x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences