PT-2026-40906 · Apache · Apache Commons Configuration

Erichen + 1 · Published 2026-05-14 · Updated 2026-05-14 · CVE-2026-45205

Mitre

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Uncontrolled Recursion vulnerability in Apache Commons.

When processing an untrusted configuration file, Commons Configuration will throw a StackOverflowError for YAML input with cycles. This issue affects Apache Commons: from 2.2 before 2.15.0.

Users are recommended to upgrade to version 2.15.0, which fixes the issue.

Fix

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

CVE-2026-45205

Affected Products

Apache Commons Configuration

References · 3

• https://github.com/apache/commons-configuration/pull/634 · Patch
• https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkk · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-45205 · Security Note