# CVE-2026-45205: commons-configuration2: Uncontrolled Recursion vulnerability in Apache Commons

CVE-2026-45205 is fixed in 7 products on 1 platform, first by DEBIAN-CVE-2026-45205, released May 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-45205
- Priority: Routine
- CVSS: 5.3 (medium)
- EPSS: 0.0047
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 14, 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | apache-commons-cli sles 16.0 | 1.11.0-160000.1.1 | [SUSE-SU-2026:21996-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21996-1.md) | May 29, 2026 |
| Linux | apache-commons-codec sles 16.0 | 1.22.0-160000.1.1 | [SUSE-SU-2026:21996-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21996-1.md) | May 29, 2026 |
| Linux | apache-commons-configuration2 sles 15.6 | 2.15.0-150200.5.11.1 | [SUSE-SU-2026:2642-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2642-1.md) | Jun 26, 2026 |
| Linux | apache-commons-configuration2 sles 15.7 | 2.15.0-150200.5.11.1 | [SUSE-SU-2026:2642-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2642-1.md) | Jun 26, 2026 |
| Linux | apache-commons-configuration2 sles 16.0 | 2.15.0-160000.1.1 | [SUSE-SU-2026:21996-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21996-1.md) | May 29, 2026 |
| Linux | apache-commons-io sles 16.0 | 2.22.0-160000.1.1 | [SUSE-SU-2026:21996-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21996-1.md) | May 29, 2026 |
| Linux | apache-commons-lang3 sles 16.0 | 3.20.0-160000.1.1 | [SUSE-SU-2026:21996-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21996-1.md) | May 29, 2026 |
| Linux | apache-commons-text sles 15.6 | 1.15.0-150200.5.14.1 | [SUSE-SU-2026:2642-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2642-1.md) | Jun 26, 2026 |
| Linux | apache-commons-text sles 15.7 | 1.15.0-150200.5.14.1 | [SUSE-SU-2026:2642-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2642-1.md) | Jun 26, 2026 |
| Linux | apache-commons-text sles 16.0 | 1.15.0-160000.1.1 | [SUSE-SU-2026:21996-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-21996-1.md) | May 29, 2026 |
| Linux | commons-configuration2 Debian 14 | 2.15.1-1 | [DEBIAN-CVE-2026-45205](https://patchblox.com/security/data/fix/linux/debian-cve-2026-45205.md) | May 14, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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