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Vulnerability record · CVE-2026-8750 · published 17 May 2026

CVE-2026-8750: H2o information exposure vulnerability

H2o · H2o

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.

5.5 CVSS 4.0 Medium EPSS 0.68% · top 49.3% CWE-200 · Information exposureCWE-284 · Improper access control
5.5CVSS 4.0 base score, v2 5.0
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://vuldb.com/submit/810105 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/364377 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/364377/cti Permissions RequiredVDB Entry
https://vulnplus-note.wetolink.com/share/wWjmsfKHRJi3 Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-8750), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.