CVE-2026-45205
mediumpriority · track · 0EPSS 0.005 · 40 %ileDEEUFRUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (15)
Products and version ranges known to be affected.
- Maven org.apache.commons:commons-configuration22.2 → 2.15.0osvUSpkg:maven/org.apache.commons/commons-configuration2
advisories (4)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1539Apache Commons: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-05-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache Commons ausnutzen, um einen Denial of Service Angriff durchzuführen.
- GHSA-337m-mw94-2v6gApache Commons Configuration: StackOverflowError for YAML input with cycles2026-05-14ghsa · osvUS
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.
- CERTFR-2026-AVI-1336Multiples vulnérabilités dans les produits IBMFrançais2026-10-16vendor · certfrFR
- CERTFR-2026-AVI-1378Multiples vulnérabilités dans les produits IBMFrançais2026-10-23vendor · certfrFR
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkkPatchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-45205cnnvd
- https://github.com/apache/commons-configuration/pull/634enisa_euvd
- https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkkenisa_euvd
- http://www.openwall.com/lists/oss-security/2026/05/14/5Mailing ListThird Party Advisorynvd
- https://github.com/apache/commons-configuration/pull/634Issue TrackingPatchnvd
- https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkkMailing ListVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan