DTStack chunjun up to 1.16.0 util deserialization

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in DTStack chunjun up to 1.16.0. Impacted is an unknown function of the file ‎chunjun-core/src/main/java/com/dtstack/chunjun/util. Such manipulation leads to deserialization. This vulnerability is documented as CVE-2026-4735. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in DTStack chunjun up to 1.16.0. Affected by this issue is some unknown functionality of the file ‎chunjun-core/src/main/java/com/dtstack/chunjun/util. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-4735 since 03/24/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 1.16.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: chunjun 1.16.1
Patch: github.com

Timelineinfo

03/24/2026 Advisory disclosed
03/24/2026 +0 days CVE reserved
03/24/2026 +0 days VulDB entry created
03/28/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-4735 (🔒)
GCVE (CVE): GCVE-0-2026-4735
GCVE (VulDB): GCVE-100-352676

Entryinfo

Created: 03/24/2026 07:27
Updated: 03/28/2026 10:44
Changes: 03/24/2026 07:27 (73), 03/28/2026 10:44 (2)
Complete: 🔍
Cache ID: 216:4C5:103

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