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CVE Vulnerability Details :
CVE-2026-8751
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-17 May, 2026 | 11:30
Updated At-17 May, 2026 | 11:30
Rejected At-
▼CVE Numbering Authority (CNA)
h2oai h2o-3 JAR Model.java importBinaryModel deserialization

A security flaw has been discovered in h2oai h2o-3 up to 7402. This affects the function importBinaryModel of the file h2o-core/src/main/java/hex/Model.java of the component JAR Handler. Performing a manipulation results in deserialization. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Products
Vendor
h2oai
Product
h2o-3
CPEs
  • cpe:2.3:a:h2oai:h2o-3:*:*:*:*:*:*:*:*
Modules
  • JAR Handler
Versions
Affected
  • 7402
Problem Types
TypeCWE IDDescription
CWECWE-502Deserialization
CWECWE-20Improper Input Validation
Type: CWE
CWE ID: CWE-502
Description: Deserialization
Type: CWE
CWE ID: CWE-20
Description: Improper Input Validation
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.17.3HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.07.3HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.07.5N/A
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 7.3
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 7.3
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 7.5
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
vulnplusbot (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-16 00:00:00
VulDB entry created2026-05-16 02:00:00
VulDB entry last update2026-05-16 18:25:55
Event: Advisory disclosed
Date: 2026-05-16 00:00:00
Event: VulDB entry created
Date: 2026-05-16 02:00:00
Event: VulDB entry last update
Date: 2026-05-16 18:25:55
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/364378
vdb-entry
technical-description
https://vuldb.com/vuln/364378/cti
signature
permissions-required
https://vuldb.com/submit/810107
third-party-advisory
https://vulnplus-note.wetolink.com/share/b5nsQg6EcsBS
exploit
Hyperlink: https://vuldb.com/vuln/364378
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/364378/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/810107
Resource:
third-party-advisory
Hyperlink: https://vulnplus-note.wetolink.com/share/b5nsQg6EcsBS
Resource:
exploit
Details not found