CVE-2026-8750

A vulnerability was identified in h2oai h2o-3 up to 7402. Affected by this issue is the function importFiles of the file h2o-core/src/main/java/water/persist/PersistNFS.java of the component ImportFile API. Such manipulation leads to information disclosure. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://vuldb.com/submit/810105	Third Party Advisory VDB Entry
https://vuldb.com/vuln/364377	Third Party Advisory VDB Entry
https://vuldb.com/vuln/364377/cti	Permissions Required VDB Entry
https://vulnplus-note.wetolink.com/share/wWjmsfKHRJi3	Broken Link

Configurations

Configuration 1 (hide)

cpe:2.3:a:h2o:h2o:*:*:*:*:*:*:*:*

History

19 May 2026, 18:22

Type	Values Removed	Values Added
References	~~() https://vuldb.com/submit/810105 -~~	() https://vuldb.com/submit/810105 - Third Party Advisory, VDB Entry
References	~~() https://vuldb.com/vuln/364377 -~~	() https://vuldb.com/vuln/364377 - Third Party Advisory, VDB Entry
References	~~() https://vuldb.com/vuln/364377/cti -~~	() https://vuldb.com/vuln/364377/cti - Permissions Required, VDB Entry
References	~~() https://vulnplus-note.wetolink.com/share/wWjmsfKHRJi3 -~~	() https://vulnplus-note.wetolink.com/share/wWjmsfKHRJi3 - Broken Link
First Time		H2o H2o h2o
CWE		NVD-CWE-noinfo
CPE		cpe:2.3:a:h2o:h2o::::::::

17 May 2026, 11:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-17 11:16

Updated : 2026-05-19 18:22

NVD link : CVE-2026-8750

Mitre link : CVE-2026-8750

CVE.ORG link : CVE-2026-8750

JSON object : View

Products Affected

h2o

h2o

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-284

Improper Access Control

NVD-CWE-noinfo

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