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MediumFix available

Lightwell Security Advisory: commons-configuration2 2.14.0.rhlw-00001

Type: advisorySources: OSV

Red Hat Lightwell has released org.apache.commons:commons-configuration2 2.14.0.rhlw-00001 with a backported security fix. CVE-2026-45205: Apache Commons Configuration: StackOverflowError for YAML input with cycles This patched artifact is a drop-in replacement for org.apache.commons:commons-configuration2 2.14.0 from Maven Central.

Products
org.apache.commons:commons-configuration2
Affected versions
2.0, 2.1, 2.1.1, 2.10.0, 2.10.1, 2.11.0, 2.12.0, 2.13.0, 2.14.0, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8.0, 2.9.0
Fixed versions
2.14.0.rhlw-00001
CVEs
CVE-2026-45205
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 17:13 UTC · Revision 1

Source evidence

Lightwell Security Advisory: commons-configuration2 2.14.0.rhlw-00001

core-osv · Original source

Published 9 Oct 2026, 17:46 UTC

Red Hat Lightwell has released org.apache.commons:commons-configuration2 2.14.0.rhlw-00001 with a backported security fix. CVE-2026-45205: Apache Commons Configuration: StackOverflowError for YAML input with cycles This patched artifact is a drop-in replacement for org.apache.commons:commons-configuration2 2.14.0 from Maven Central.

osv:RHLW-2026-10f7476ff588dde7

org.apache.commons:commons-configuration2

Fixed versions: 2.14.0.rhlw-00001

Complete source record
{
  "id": "72bbcc0d1417a4ed580de5b4ed213a037066cbf460c8e9d9f25d7ba7ba279b2c",
  "url": "https://osv.dev/vulnerability/RHLW-2026-10f7476ff588dde7",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Lightwell Security Advisory: commons-configuration2 2.14.0.rhlw-00001",
    "summary": "Red Hat Lightwell has released org.apache.commons:commons-configuration2 2.14.0.rhlw-00001 with a backported security fix. CVE-2026-45205: Apache Commons Configuration: StackOverflowError for YAML input with cycles This patched artifact is a drop-in replacement for org.apache.commons:commons-configuration2 2.14.0 from Maven Central.",
    "evidence": "osv:RHLW-2026-10f7476ff588dde7",
    "products": [
      {
        "name": {
          "value": "org.apache.commons:commons-configuration2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.14.0.rhlw-00001",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "2.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.1.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.10.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.10.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.11.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.12.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.13.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.14.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.6",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.7",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.8.0",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.9.0",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "RHLW-2026-10f7476ff588dde7",
      "aliases": [
        "RHLW-2026-10f7476ff588dde7"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.14.0.rhlw-00001"
                }
              ]
            }
          ],
          "package": {
            "name": "org.apache.commons:commons-configuration2",
            "purl": "pkg:maven/org.apache.commons/commons-configuration2",
            "ecosystem": "Red Hat Lightwell:Maven"
          },
          "versions": [
            "2.0",
            "2.1",
            "2.1.1",
            "2.10.0",
            "2.10.1",
            "2.11.0",
            "2.12.0",
            "2.13.0",
            "2.14.0",
            "2.2",
            "2.3",
            "2.4",
            "2.5",
            "2.6",
            "2.7",
            "2.8.0",
            "2.9.0"
          ],
          "database_specific": {
            "source": "https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-10f7476ff588dde7.json",
            "lightwell": {
              "repository_url": "https://packages.redhat.com/lightwell/java/remediated/",
              "remediated_version": "2.14.0.rhlw-00001",
              "backport_base_version": "2.14.0"
            }
          }
        }
      ],
      "modified": "2026-10-27T04:00:07.435926974Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-45205",
        "GHSA-337m-mw94-2v6g"
      ],
      "references": [
        "https://repo.maven.apache.org/maven2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45205.json",
        "https://lists.apache.org/thread/q3q3j10ohcqhs6o0rg1v7kz6kk27vtkk",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-45205",
        "https://github.com/apache/commons-configuration/pull/634",
        "https://github.com/advisories/GHSA-337m-mw94-2v6g"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-45205",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 460123,
  "published_at": "2026-10-09T17:46:30+00:00"
}