Vulnerability-Lookup

CVE-2026-100227 (GCVE-0-2026-100227)

Vulnerability from cvelistv5 – Published: 2026-10-09 10:19 – Updated: 2026-10-15 17:42

Title

Apache CXF: XML Signature wrapping in JAX-RS XML Security

Summary

Improper Verification of Cryptographic Signature vulnerability in Apache CXF's JAX-RS XML Security module. The JAX-RS XML Signature interceptors (XmlSigInHandler, XmlSigInInterceptor and the streaming XmlSecInInterceptor) did not ensure that the XML passed to the application was covered by the signature. An attacker with any document signed by a trusted key could wrap it in unsigned content, which the application would then treat as signed. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-15 17:41 UTC

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1006 records in the last 180 days details

References

2 references

URL	Tags
https://lists.apache.org/thread.html/pst2oopnwt2r…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/1…

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache CXF	Affected: 4.2.0 , < 4.2.4 (semver) Affected: 4.0.0 , < 4.1.9 (semver) Affected: 0 , < 3.6.13 (semver)	guessed

Credits

This issue was found using Claude agents to study the security of open-source projects and independently by Guanping Zhang

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-100227

Vulnerability from fkie_nvd - Published: 2026-10-09 11:17 - Updated: 2026-10-16 18:09

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread.html/pst2oopnwt2rwhvkvmt5gdgwn36kq05m	Issue Tracking, Vendor Advisory, Mailing List
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/10/09/11	Mailing List, Third Party Advisory

Impacted products

Vendor	Product	Version
apache	cxf	*
apache	cxf	*
apache	cxf	*

JSON

To clipboard

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              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-15T17:41:39.286657Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-09T11:17:01.993",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory",
        "Mailing List"
      ],
      "url": "https://lists.apache.org/thread.html/pst2oopnwt2rwhvkvmt5gdgwn36kq05m"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/10/09/11"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-M89P-3QW6-FH4R

Vulnerability from github – Published: 2026-10-09 12:31 – Updated: 2026-10-15 18:31

Details

Severity

7.5 (High)


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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-100227"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-09T11:17:01Z",
    "severity": "HIGH"
  },
  "details": "Improper Verification of Cryptographic Signature vulnerability in Apache CXF\u0027s JAX-RS XML Security module. The JAX-RS XML Signature interceptors (XmlSigInHandler, XmlSigInInterceptor and the streaming XmlSecInInterceptor) did not ensure that the XML passed to the application was covered by the signature. An attacker with any document signed by a trusted key could wrap it in unsigned content, which the application would then treat as signed.\nUsers are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue.",
  "id": "GHSA-m89p-3qw6-fh4r",
  "modified": "2026-10-15T18:31:41Z",
  "published": "2026-10-09T12:31:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100227"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/pst2oopnwt2rwhvkvmt5gdgwn36kq05m"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/10/09/11"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

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Nomenclature

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Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CVE-2026-100227 (GCVE-0-2026-100227)

FKIE_CVE-2026-100227

GHSA-M89P-3QW6-FH4R

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