CVEvulnerability

CVE-2025-6507

9.8 CRITICAL Published 2025-09-01 Modified 2026-06-17 Official page ↗
Status
Deferred
Published
2025-09-01
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-502

Description

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.

Related

Weakness · CWE (1)

  • CWE-502 Deserialization of Untrusted Data weakness

References