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CVE-2026-4735

A stack overflow and DoS vulnerability in DTStack/chunjun

HIGH
8.7
CVSS Score
Published: March 24, 2026 at 03:08 AM UTC
Updated: June 17, 2026 at 10:57 AM UTC
1 product affected across 1 vendorChunJun

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Severity
HIGH8.7
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

ChunJun· Dtstack
60%
v < 1.16.1
Affected range stops below 1.16.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Patch
Source: cverecord
https://github.com/DTStack/chunjun/pull/1939

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHGovTech CSG
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-502

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