High 8.7Published Mar 23, 2026

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

Updated under an hour ago (Oct 26, 2026, 10:50 PM ET)

Does this affect you?

It affects DTStack chunjun. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for DTStack chunjun

Exploited in the last 30 days

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.

CVSS: 8.7 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-502
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GovTech CSG
NVD analysis: Deferred
Record last updated: Mar 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

DTStack chunjun dtstack:chunjun (from the name)	before 1.16.1	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.