CVE-2026-4735 HIGH

CVE-2026-4735: A stack overflow and DoS vulnerability in DTStack/chunjun

Vendor Dtstack
Product chunjun
Weakness CWE-502 · Unsafe deserialization
Published March 24, 2026
Last update March 24, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 24, 2026 CVE published
March 24, 2026 Record updated