Deserialization Vulnerability in DTStack Chunjun Product
CVE-2026-4735

8.7HIGH

Key Information:

Vendor

Dtstack

Status
Chunjun
Vendor
CVE Published:
24 March 2026

What is CVE-2026-4735?

A deserialization of untrusted data vulnerability was discovered in DTStack Chunjun, specifically within the GsonUtil.Java file. This issue can allow attackers to exploit the application by crafting malicious input data, leading to potential unauthorized access or manipulation of data. Affected versions prior to 1.16.1 are particularly at risk. Users are encouraged to apply the latest updates to safeguard their systems from possible exploitation.

Affected Version(s)

chunjun 0

References

https://github.com/DTStack/chunjun/pull/1939
patch

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

TITAN Team (titancaproject@gmail.com)
.