VulnerabilityDeferred

CVE-2026-4735

Deserialization of Untrusted Data vulnerability in DTStack chunjun (‎chunjun-core/src/main/java/com/dtstack/chunjun/util modules).

HIGH 8.7EPSS 0.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public 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.

CVSS 4.0: 8.7 HIGHCVSS: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/M
EPSS: 0.30% probability · 22th percentile
CISA KEV: Not listed
Weakness: CWE-502
Source: cve_disclosure@tech.gov.sg

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.