CVE-2026-45205
Apache Commons Configuration: StackOverflowError for YAML input with cycles
5.3
MEDIUM
CVSS 3.1
EPSS 0.13%
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.
How to fix CVE-2026-45205
To remediate CVE-2026-45205, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 2.15.0 or later
Is CVE-2026-45205 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- >= 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 |