CVE-2025-5662
criticalpriority · track · 0EPSS 0.007 · 53 %ileEURUEPSS · scored 2026-10-27
A deserialization vulnerability exists in the H2O-3 REST API (POST /99/ImportSQLTable) that affects all versions up to 3.46.0.7. This vulnerability allows remote code execution (RCE) due to improper validation of JDBC connection parameters when using a Key-Value format. The vulnerability is present in the MySQL JDBC Driver version 8.0.19 and JDK version 8u112. The issue is resolved in version 3.46.0.8.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
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affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
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references (9)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-5662cnnvd
- https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382dcnnvd
- https://github.com/h2oai/h2o-3/tagsPatchcnnvd
- https://huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161ccnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-5662cnnvd
- https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382denisa_euvd
- https://huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161cenisa_euvd
- https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382dnvd
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