How severe is CVE-2025-10768?

CVE-2025-10768 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-10768 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-10768?

CVE-2025-10768 affects H2o. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-10768?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-10768 have an EU (EUVD) identifier?

Yes. CVE-2025-10768 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30379.

When was CVE-2025-10768 published?

CVE-2025-10768 was published on 2025-09-21 and last updated on 2026-06-17.

CVE-2025-10768

CVE-2025-10768 is a medium-severity vulnerability in H2o with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30379
Weakness: CWE-502
Affected product: H2o
Published: 2025-09-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-10768?: 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.
How severe is CVE-2025-10768?: CVE-2025-10768 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-10768 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-10768?: CVE-2025-10768 affects H2o. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-10768?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-10768 have an EU (EUVD) identifier?: Yes. CVE-2025-10768 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30379.
When was CVE-2025-10768 published?: CVE-2025-10768 was published on 2025-09-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:h2o:h2o:*:*:*:*:*:*:*:*

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