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 4.0

5.5CVSS: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

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-25)

CWEs

CWE-200, CWE-284

Published

2026-05-17

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• h2o:h2o

References

• https://vuldb.com/submit/810105
• https://vuldb.com/vuln/364377
• https://vuldb.com/vuln/364377/cti
• https://vulnplus-note.wetolink.com/share/wWjmsfKHRJi3

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