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CVE-2026-8750

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

Published: May 17, 2026Updated: May 19, 2026 Sources: CVE List NVDCWE-200
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.5%
Top 61.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-200CWE-284NVD-CWE-noinfo

Affected Products

h2o-3h2oai
Mixed
AI / ML / ml-framework
h2oh2o
On-prem
Networking Infrastructure / load-balancer-proxy
h2oaicommercialAI / ML
h2ooss-projectNetworking Infrastructureaka h2o web server, h2o, picotls, quicly

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://vuldb.com/vuln/364377
vuldb.com
https://vuldb.com/vuln/364377/cti
vuldb.com
https://vuldb.com/submit/810105
vuldb.com
and 1 more references View all →

Timeline

Published
May 17, 2026
Last Updated
May 19, 2026

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