Deserialization Vulnerability in h2oai h2o-3 by IBMDB2 JDBC Driver
CVE-2025-10768

5.3MEDIUM

Key Information:

Vendor

H2oai

Status
H2o-3
Vendor
CVE Published:
21 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10768?

A vulnerability exists in h2oai's h2o-3 versions up to 3.46.08, specifically in an unknown function of the /99/ImportSQLTable file related to the IBMDB2 JDBC Driver. This flaw allows remote attackers to manipulate the connection_url argument, leading to potential deserialization attacks. The exploit has been publicly disclosed and could pose significant risks if not addressed. Despite early communication, the vendor has not provided a response regarding this vulnerability.

Affected Version(s)

h2o-3 3.46.08

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-10768 - Proof of Concept

CVE-2025-10768 - Proof of Concept

References

https://vuldb.com/?id.325124
vdb-entrytechnical-description
https://vuldb.com/?ctiid.325124
signaturepermissions-required
https://vuldb.com/?submit.649508
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ez-lbz (VulDB User)
.
CVE-2025-10768 : Deserialization Vulnerability in h2oai h2o-3 by IBMDB2 JDBC Driver