CVE-2026-8750 MEDIUM

CVE-2026-8750: h2oai h2o-3 ImportFile API PersistNFS.java importFiles information disclosure

Vendor H2Oai
Product h2o-3
Weakness CWE-200 · Info exposure
Published May 17, 2026
Last update May 18, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

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.

Key dates

Disclosure timeline

May 17, 2026 CVE published
May 18, 2026 Record updated