CVE-2026-8750

MEDIUM

h2oai h2o-3 ImportFile API PersistNFS.java importFiles information disclosure

Title source: cna
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-364377 | h2oai h2o-3 ImportFile API PersistNFS.java importFiles information disclosure
https://vuldb.com/vuln/364377
Signature, Permissions Required signature permissions-required
VDB-364377 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/364377/cti
Third Party Advisory third-party-advisory
Submit #810105 | H2O-3 latest arbitrary local file disclosure
https://vuldb.com/submit/810105

Scores

CVSS v3 5.3
EPSS 0.0050
EPSS Percentile 38.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-200 CWE-284
Status published
Products (2)
h2o/h2o < 7402
h2oai/h2o-3 7402
Published May 17, 2026
Tracked Since May 17, 2026