CVE-2025-10768
criticalA flaw has been found in h2oai h2o-3 up to 3.46.08.
Vendor / product: H2o — h2o
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.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2025-09-21 10:15
Modified: 2026-09-30 23:10
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
h2o / h2o ≥3.0.0.2 ≤3.46.0.8
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/ez-lbz/poc/issues/50 cna@vuldb.com
- https://github.com/ez-lbz/poc/issues/50#issue-3389830879 cna@vuldb.com
- https://vuldb.com/?ctiid.325124 cna@vuldb.com
- https://vuldb.com/?id.325124 cna@vuldb.com
- https://vuldb.com/?submit.649508 cna@vuldb.com
- https://github.com/ez-lbz/poc/issues/50 134c704f-9b21-4f2e-91b3-4a467353bcc0
- https://github.com/ez-lbz/poc/issues/50#issue-3389830879 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗