CVE-2026-45205
MEDIUM5.3EPSS 0.13%Apache Commons Configuration: StackOverflowError for YAML input with cycles
Published: 5/14/2026Modified: 5/21/2026
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.
Affected packages (2)
- Debian/commons-configuration2from 0
- Maven/org.apache.commons:commons-configuration2>= 2.2, < 2.15.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-45205
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-45205
- PATCHhttps://github.com/apache/commons-configuration
- WEBhttps://github.com/apache/commons-configuration/pull/634
- WEBhttps://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkk
- WEBhttp://www.openwall.com/lists/oss-security/2026/05/14/5