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Vulnerability IntelligenceCVE-2026-45205

CVE-2026-45205

MEDIUM5.3

Apache Commons Configuration: StackOverflowError for YAML input with cycles

Published May 14, 2026

Modified 2 months ago

Details

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.

References

http://www.openwall.com/lists/oss-security/2026/05/14/5

https://github.com/apache/commons-configuration/pull/634

https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkk

https://www.cve.org/CVERecord?id=CVE-2026-45205

CVSS Analysis

CVSS v3.1

5.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

LowA:L

5.3/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedMay 14, 2026

ModifiedMay 14, 2026

CVE-2026-45205 | Mondoo Vulnerability Intelligence