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{
"dataType": "CVE_RECORD",
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"cveMetadata": {
"cveId": "CVE-2026-4735",
"assignerOrgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd",
"state": "PUBLISHED",
"assignerShortName": "GovTech CSG",
"dateReserved": "2026-03-24T03:07:43.669Z",
"datePublished": "2026-03-24T03:08:18.156Z",
"dateUpdated": "2026-03-24T14:36:43.076Z"
},
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"shortName": "GovTech CSG",
"dateUpdated": "2026-03-24T03:08:18.156Z"
},
"title": "A stack overflow and DoS vulnerability in DTStack/chunjun",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-502",
"description": "CWE-502 Deserialization of Untrusted Data",
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"product": "chunjun",
"collectionURL": "https://github.com/DTStack/chunjun",
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],
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"value": "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.\n\nThis issue affects chunjun: before 1.16.1.",
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"url": "https://github.com/DTStack/chunjun/pull/1939",
"tags": [
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"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subAvailabilityImpact": "HIGH",
"exploitMaturity": "PROOF_OF_CONCEPT",
"Safety": "NEGLIGIBLE",
"Automatable": "YES",
"Recovery": "USER",
"valueDensity": "CONCENTRATED",
"vulnerabilityResponseEffort": "MODERATE",
"providerUrgency": "AMBER",
"version": "4.0",
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"baseScore": 8.7,
"vectorString": "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"
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}
],
"credits": [
{
"lang": "en",
"value": "TITAN Team (titancaproject@gmail.com)",
"type": "reporter"
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],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
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"type": "ssvc",
"content": {
"timestamp": "2026-03-24T14:36:35.935783Z",
"id": "CVE-2026-4735",
"options": [
{
"Exploitation": "none"
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{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
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"role": "CISA Coordinator",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment",
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