CVE-2024-8862 h2oai h2o-3 JDBC Connection 1 getConnectionSafe deserialization
Remote attackers can achieve code execution via unsafe deserialization in the h2o-3 JDBC connection handler, requiring immediate mitigation as no vendor fix is available.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-8862?
CVE-2024-8862 is a medium-severity unsafe deserialization vulnerability in h2oai h2o-3, published on 14 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability, which was classified as critical, has been found in h2oai h2o-3 3.46.0.4. This issue affects the function getConnectionSafe of the file /dtale/chart-data/1 of the component JDBC Connection Handler. The manipulation of the argument query leads to deserialization. The attack may be initiated 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.
Weakness: CWE-502
Which versions are affected by CVE-2024-8862?
3 open source packages ship an affected version, including dtale. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
dtale PyPI | All versions | 3.14.1 |
dtale PyPI | All versions | 3.14.1 |
dtale PyPI | All versions | 3.14.1 |
Products include H2o H2o.
How do I fix CVE-2024-8862?
Upgrade dtale to 3.14.1 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2024-8862 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8862 exists.
Other vulnerabilities in h2oai h2o-3
Sources
Also known as GHSA-fg5m-m723-7mv6, PYSEC-2026-1321.