How severe is CVE-2025-10769?

CVE-2025-10769 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-2025-10769 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-10769?

CVE-2025-10769 affects H2o. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-10769?

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

Does CVE-2025-10769 have an EU (EUVD) identifier?

Yes. CVE-2025-10769 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30378.

When was CVE-2025-10769 published?

CVE-2025-10769 was published on 2025-09-21 and last updated on 2026-06-17.

CVE-2025-10769

CVE-2025-10769 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% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30378
Weakness: CWE-502
Affected product: H2o
Published: 2025-09-21
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-10769?: CVE-2025-10769 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-2025-10769 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-10769?: CVE-2025-10769 affects H2o. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-10769?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-10769 have an EU (EUVD) identifier?: Yes. CVE-2025-10769 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30378.
When was CVE-2025-10769 published?: CVE-2025-10769 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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