H2
Product
h2o
by h2o · last CVE Jul 16, 2026
36
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 9High 20Medium 7Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-41337
6.7
0%
Dec 12
h2o vulnerable to TLS session resumption misdirection
Affected: <= 2.3.0-beta2
CVE-2024-6863
6.5
0%
Mar 20
Encryption of Arbitrary Files with Attacker-Controlled Key in h2oai/h2o-3
Affected: 3.46.0
CVE-2026-44452
5.9
0%
Jul 16
h2o is vulnerable to heap overrun
Affected: < 8dc37cb
CVE-2023-6013
5.4
1%
Nov 16
H2O Local File Include
Affected: All versions, or not specified
CVE-2026-8752
5.3
0%
May 17
h2oai h2o-3 Rapids setproperty Primitive AstSetProperty.java exec access control
Affected: through 7402
CVE-2024-5550
5.3
1%
Jun 6
Exposure of Sensitive Information via Arbitrary System Path Lookup in h2oai/h2o-3
Affected: 3.40.0.4
CVE-2024-25622
4.3
0%
Oct 11
H2O ignores headers configuration directives
Affected: < 123f5e2b65dcdba8f7ef659a00d24bd1249141be
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