CVE-2026-4735

HIGH

A stack overflow and DoS vulnerability in DTStack/chunjun

Title source: cna

Description

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.

References (1)

Core 1

Core References

Patch patch

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

Scores

CVSS v4 8.7

EPSS 0.0030

EPSS Percentile 21.2%

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/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:N/AU:Y/R:U/V:C/RE:M/U:Amber

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-502

Status published

Products (1)

DTStack/chunjun < 1.16.1

Published Mar 24, 2026

Tracked Since Mar 24, 2026