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CVE-2025-6507

🚨 CRITICAL

A vulnerability in the h2oai/h2o-3 repository allows attackers to exploit deserialization of untrusted data, potentially leading to arbitrary code execution and reading of system files. This issue aff...

Published
Sep 01, 2025
Last Modified
Sep 02, 2025
Views
2
Bookmarks
0

Description

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A vulnerability in the h2oai/h2o-3 repository allows attackers to exploit deserialization of untrusted data, potentially leading to arbitrary code execution and reading of system files. This issue affects the latest master branch version 3.47.0.99999. The vulnerability arises from the ability to bypass regular expression filters intended to prevent malicious parameter injection in JDBC connections. Attackers can manipulate spaces between parameters to evade detection, allowing for unauthorized file access and code execution. The vulnerability is addressed in version 3.46.0.8.

CVSS Scores

CVSS 3.1 9.8
9.8
CRITICAL
CVSS 2.0 9.8

References

github.com huntr.com

Additional Information

Source
security@huntr.dev
State
Awaiting analysis

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