DTStack chunjun <1.16.1 Deserialization of Untrusted Data Vulnerability
CVE-2026-4735 Published on March 24, 2026
A stack overflow and DoS vulnerability in DTStack/chunjun
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.
Vulnerability Analysis
CVE-2026-4735 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-4735 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Affected Versions
DTStack chunjun:- Before 1.16.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.