CVE-2025-10769: h2o Input Validation Flaw — Exploit

Description

A vulnerability has been found in h2oai h2o-3 up to 3.46.08. This affects an unknown function of the file /99/ImportSQLTable of the component H2 JDBC Driver. Such manipulation of the argument connection_url leads to deserialization. The attack may be launched 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.

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CVSS v3.1 Score

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
h2o	h2o	3.0.0.2 — 3.46.0.8

References

Exploits

https://huntr.com/bounties/4066ce21-7148-44f5-8336-b1674c2f588d https://huntr.com/bounties/4066ce21-7148-44f5-8336-b1674c2f588d

Other References

https://github.com/ez-lbz/poc/issues/51 https://github.com/ez-lbz/poc/issues/51#issue-3391023368 https://vuldb.com/?ctiid.325125 https://vuldb.com/?id.325125 https://vuldb.com/?submit.649728 https://vuldb.com/?submit.649793 https://github.com/ez-lbz/poc/issues/51 https://github.com/ez-lbz/poc/issues/51#issue-3391023368

Frequently Asked Questions

What is CVE-2025-10769? +

A vulnerability has been found in h2oai h2o-3 up to 3.46.08. This affects an unknown function of the file /99/ImportSQLTable of the component H2 JDBC Driver. Such manipulation of the argument connection_url leads to deserialization. The attack may be launched 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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-10769? +

CVE-2025-10769 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-10769? +

CVE-2025-10769 affects products from h2o, specifically: h2o. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-10769? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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