CVE-2024-8862: h2oai h2o-3 JDBC Connection 1 getConnectionSafe deserialization

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-09-14 · updated 2026-06-17
Weakness: CWE-502

Description

A vulnerability, which was classified as critical, has been found in h2oai h2o-3 3.46.0.4. This issue affects the function getConnectionSafe of the file /dtale/chart-data/1 of the component JDBC Connection Handler. The manipulation of the argument query leads to deserialization. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

h2oai/h2o-3: 3.46.0.4

References

https://rumbling-slice-eb0.notion.site/Unauthenticated-Remote-Command-Execution-via-Panda-df-query-9dc40f0477ee4b65806de7921876c222?pvs=4
https://vuldb.com/?ctiid.277499
https://vuldb.com/?id.277499
https://vuldb.com/?submit.403200

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