Description
A flaw has been found in h2oai h2o-3 up to 3.46.08. The impacted element is an unknown function of the file /99/ImportSQLTable of the component IBMDB2 JDBC Driver. This manipulation of the argument connection_url causes deserialization. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
h2o: h2o
References7
- github.com/ez-lbz/poc/issues/50 Broken Link
- github.com/ez-lbz/poc/issues/50#issue-3389830879 Broken Link
- vuldb.com/?ctiid.325124 Permissions RequiredVDB Entry
- vuldb.com/?id.325124 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.649508 Third Party AdvisoryVDB Entry
- github.com/ez-lbz/poc/issues/50 Broken Link
- github.com/ez-lbz/poc/issues/50#issue-3389830879 Broken Link
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
2.1
LOW
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 39 · as of 8 November 2026
- CWE
- CWE-20CWE-502
Could this be exploited in your environment?
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