CVE-2026-45205: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Commons Configuration
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.
AI Analysis
Technical Summary
Apache Commons Configuration versions 2.2 through before 2.15.0 contain an uncontrolled recursion vulnerability (CWE-674) when parsing YAML input with cyclic references. This leads to a StackOverflowError, causing the application to crash. The vulnerability does not impact confidentiality or integrity but affects availability by enabling denial of service. The issue is fixed in version 2.15.0.
Potential Impact
The vulnerability results in denial of service through application crashes when processing maliciously crafted YAML configuration files with cycles. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Users should upgrade Apache Commons Configuration to version 2.15.0 or later, where this uncontrolled recursion issue is fixed. No other mitigation or temporary workaround is indicated in the available data.
CVE-2026-45205: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Commons Configuration
Description
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.
CVSS v3.1
Score 5.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Apache Commons Configuration versions 2.2 through before 2.15.0 contain an uncontrolled recursion vulnerability (CWE-674) when parsing YAML input with cyclic references. This leads to a StackOverflowError, causing the application to crash. The vulnerability does not impact confidentiality or integrity but affects availability by enabling denial of service. The issue is fixed in version 2.15.0.
Potential Impact
The vulnerability results in denial of service through application crashes when processing maliciously crafted YAML configuration files with cycles. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Users should upgrade Apache Commons Configuration to version 2.15.0 or later, where this uncontrolled recursion issue is fixed. No other mitigation or temporary workaround is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-05-11T13:16:23.243Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a05b3c8ec166c07b0d21acd
Added to database: 5/14/2026, 11:36:40 AM
Last enriched: 5/21/2026, 12:14:58 PM
Last updated: 6/5/2026, 6:11:20 AM
Views: 64
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