Common Weakness Enumeration

CWE-611

Allowed

Improper Restriction of XML External Entity Reference

Abstraction: Base · Status: Draft

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

1717 vulnerabilities reference this CWE, most recent first.

CVE-2026-20029 (GCVE-0-2026-20029)

Vulnerability from cvelistv5 – Published: 2026-01-07 16:23 – Updated: 2026-01-07 16:40
VLAI
Title
Cisco Identity Services Engine XML External Entity Processing Information Disclosure Vulnerability
Summary
A vulnerability in the licensing features of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker with administrative privileges to gain access to sensitive information.  This vulnerability is due to improper parsing of XML that is processed by the web-based management interface of Cisco ISE and Cisco ISE-PIC. An attacker could exploit this vulnerability by uploading a malicious file to the application. A successful exploit could allow the attacker to read arbitrary files from the underlying operating system that could include sensitive data that should otherwise be inaccessible even to administrators. To exploit this vulnerability, the attacker must have valid administrative credentials.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
Impacted products
Vendor Product Version
Cisco Cisco Identity Services Engine Software Affected: 3.1.0
Affected: 3.1.0 p1
Affected: 3.1.0 p3
Affected: 3.1.0 p2
Affected: 3.2.0
Affected: 3.1.0 p4
Affected: 3.1.0 p5
Affected: 3.2.0 p1
Affected: 3.1.0 p6
Affected: 3.2.0 p2
Affected: 3.1.0 p7
Affected: 3.3.0
Affected: 3.2.0 p3
Affected: 3.2.0 p4
Affected: 3.1.0 p8
Affected: 3.2.0 p5
Affected: 3.2.0 p6
Affected: 3.1.0 p9
Affected: 3.3 Patch 2
Affected: 3.3 Patch 1
Affected: 3.3 Patch 3
Affected: 3.4.0
Affected: 3.2.0 p7
Affected: 3.3 Patch 4
Affected: 3.4 Patch 1
Affected: 3.1.0 p10
Affected: 3.3 Patch 5
Affected: 3.3 Patch 6
Affected: 3.4 Patch 2
Affected: 3.3 Patch 7
Affected: 3.4 Patch 3
Create a notification for this product.
Show details on NVD website

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CVE-2026-14304 (GCVE-0-2026-14304)

Vulnerability from cvelistv5 – Published: 2026-08-05 10:40 – Updated: 2026-08-05 13:03
VLAI
Summary
In Eclipse Accessibility Tools Framework (ACTF) versions up to 1.6.0 (including source code versions up to v20260630 and ACTF based application miChecker versions up to 3.1.0), it has been identified that an XML External Entity (XXE) vulnerability exists. If this vulnerability is exploited, a malicious third party could gain access to local resources or internal network resources via computer running applications that use Eclipse ACTF, including miChecker.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
Impacted products
Vendor Product Version
Eclipse Foundation Eclipse Accessibility Tools Framework (ACTF) Affected: 0.5.0 , ≤ 1.6.0 (semver)
Affected: 0 , ≤ v20260630 (git)
Create a notification for this product.
Credits
This vulnerability was reported to IPA by Mr. Yuki Matsuhashi under the Information Security Early Warning Partnership framework. JPCERT/CC coordinated with the application provider and developer. We would like to express our sincere appreciation to Mr. Yuki Matsuhashi and all parties involved for their cooperation.
Show details on NVD website

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CVE-2026-13449 (GCVE-0-2026-13449)

Vulnerability from cvelistv5 – Published: 2026-06-30 19:32 – Updated: 2026-07-01 14:30
VLAI
Title
XXE attack in IBM Business Automation Manager Open Editions
Summary
IBM Business Automation Manager Open Editions 9.0.0 through 9.4.2 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
ibm
References
URL Tags
https://www.ibm.com/support/pages/node/7278532 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM Business Automation Manager Open Editions Affected: 9.0.0 , ≤ 9.4.2 (semver)
    cpe:2.3:a:ibm:business_automation_manager_open_editions:9.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:business_automation_manager_open_editions:9.4.2:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-12975 (GCVE-0-2026-12975)

Vulnerability from cvelistv5 – Published: 2026-06-25 21:12 – Updated: 2026-07-15 01:22
VLAI
Title
Apicurio/apicurio-registry: apicurio-registry: unhardened saxparser in content-type detection leads to blind xxe / ssrf / billion-laughs dos
Summary
A flaw was found in Apicurio Registry. The ContentTypeUtil.isParsableXml() method creates a SAXParserFactory without enabling secure processing features or disabling external entity resolution. An attacker with artifact-write permission (or unauthenticated when the registry runs with default configuration) can upload a crafted XML document to trigger blind server-side request forgery (SSRF) via external DTD/entity fetch, or cause denial of service via entity expansion.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat build of Apicurio Registry 3     cpe:/a:redhat:apicurio_registry:3
Create a notification for this product.
Date Public
2026-06-10 13:00
Show details on NVD website

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CVE-2026-12788 (GCVE-0-2026-12788)

Vulnerability from cvelistv5 – Published: 2026-06-21 07:45 – Updated: 2026-06-22 17:54
VLAI
Title
zhilink 智互联(深圳)科技有限公司 ADP Application Developer Platform 应用开发者平台 XML Parser import xml external entity reference
Summary
A vulnerability was determined in zhilink 智互联(深圳)科技有限公司 ADP Application Developer Platform 应用开发者平台 1.0.0. This vulnerability affects unknown code of the file /adpweb/a/base/barcodeDetail/import of the component XML Parser. This manipulation causes xml external entity reference. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-611 - XML External Entity Reference
  • CWE-610 - Externally Controlled Reference
Assigner
References
Impacted products
Vendor Product Version
zhilink 智互联(深圳)科技有限公司 ADP Application Developer Platform 应用开发者平台 Affected: 1.0.0
    cpe:2.3:a:zhilink_:adp_application_developer_platform_:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
bigbrother_man (VulDB User) VulDB CNA Team
Show details on NVD website

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CVE-2026-10025 (GCVE-0-2026-10025)

Vulnerability from cvelistv5 – Published: 2026-08-05 16:03 – Updated: 2026-08-06 14:23
VLAI
Title
IBM QRadar SIEM has an XML External Entity (XXE) injection vulnerability
Summary
IBM QRadar 7.6.0.0 through 7.6.0.1, and 7.5.0 through 7.5.0 UP 15 Interim Fix 005 has an XML External Entity (XXE) injection vulnerability. The vulnerability resides in the parseXmlPayload() function within the event processing pipeline ( q1labs_core.jar ). When at least one log source type is configured to use XML-format property autodetection, the system processes XML-formatted syslog events sent to port 514 (UDP/TCP) without authentication.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
ibm
References
URL Tags
https://www.ibm.com/support/pages/node/7282394 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM QRadar Affected: 7.6.0.0 , ≤ 7.6.0.1 (semver)
Affected: 7.5.0 , ≤ 7.5.0 UP 15 Interim Fix 005 (semver)
    cpe:2.3:a:ibm:qradar:7.6.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:qradar:7.6.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:qradar:7.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:qradar:7.5.0up15:interim_fix_005:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-8396 (GCVE-0-2026-8396)

Vulnerability from cvelistv5 – Published: 2026-07-17 12:20 – Updated: 2026-07-17 12:55
VLAI
Title
XXE in Netcad's NetGIS
Summary
Improper restriction of XML external entity reference vulnerability in Netcad Software Inc. NetGIS allows Serialized Data External Linking. This issue affects NetGIS: from 5.0.66 before 7.2.2.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-611 - Improper restriction of XML external entity reference
Assigner
References
Impacted products
Vendor Product Version
Netcad Software Inc. NetGIS Affected: 5.0.66 , < 7.2.2 (custom)
Create a notification for this product.
Date Public
2026-07-17 12:15
Show details on NVD website

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CVE-2026-8045 (GCVE-0-2026-8045)

Vulnerability from cvelistv5 – Published: 2026-06-09 14:41 – Updated: 2026-06-09 16:01
VLAI
Summary
CWE-611 Improper Restriction of XML External Entity Reference vulnerability exists that could cause information disclosure of server-side file contents when an attacker with a Data Center Expert user account submits crafted XML payloads to SOAP service endpoints.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-611 - Improper restriction of XML external entity reference
Assigner
Impacted products
Show details on NVD website

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CVE-2026-6807 (GCVE-0-2026-6807)

Vulnerability from cvelistv5 – Published: 2026-04-28 17:41 – Updated: 2026-04-29 15:12 Unsupported When Assigned
VLAI
Title
NSA GRASSMARLIN Improper Restriction of XML External Entity Reference
Summary
A vulnerability in GRASSMARLIN v3.2.1 allows crafted session data to trigger improper handling of XML input, which may result in unintended exposure of sensitive information. The flaw stems from insufficient hardening of the XML parsing process.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
Impacted products
Vendor Product Version
NSA GRASSMARLIN Affected: All versions
Create a notification for this product.
Credits
Grady DeRosa reported this vulnerability to CISA.
Show details on NVD website

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CVE-2026-6653 (GCVE-0-2026-6653)

Vulnerability from cvelistv5 – Published: 2026-06-22 12:40 – Updated: 2026-06-22 15:51
VLAI
Title
libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling
Summary
Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-416 - Use after free
  • CWE-611 - Improper Restriction of XML External Entity Processing
Assigner
Impacted products
Vendor Product Version
GNOME libxml2 Affected: 2.9.11 , < 2.11.0 (semver)
Create a notification for this product.
Credits
Geoffrey Humphreys
Show details on NVD website

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              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-22T12:40:31.424Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://bugs.launchpad.net/ubuntu/+source/libxml2/+bug/2141260"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1058"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to libxml2 version 2.11.0 or later"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2026-6653",
    "datePublished": "2026-06-22T12:40:31.424Z",
    "dateReserved": "2026-04-20T06:37:45.271Z",
    "dateUpdated": "2026-06-22T15:51:11.554Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Mitigation
Implementation System Configuration

Many XML parsers and validators can be configured to disable external entity expansion.

CAPEC-221: Data Serialization External Entities Blowup

This attack takes advantage of the entity replacement property of certain data serialization languages (e.g., XML, YAML, etc.) where the value of the replacement is a URI. A well-crafted file could have the entity refer to a URI that consumes a large amount of resources to create a denial of service condition. This can cause the system to either freeze, crash, or execute arbitrary code depending on the URI.