CVE-2026-4735
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-4735- CVSS 4.0
- 8.7 High
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-502
- Updated
- 2026-11-02
EUVDEUVD-2026-14708
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.
- Record
EUVD-2026-14708- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q9jc-xq58-m52x
Deserialization of Untrusted Data vulnerability in DTStack chunjun (chunjun-core/src/main/java...
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.
- Record
GHSA-q9jc-xq58-m52x- CVSS 4.0
- 8.7 High
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 - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-4735- CVSS 4.0
- 8.7 High
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 - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2026-4735- CVSS 4.0
- 8.7 High
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-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-4735 is a high vulnerability (CVSS 8.7) in Dtstack Chunjun, published March 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.