Common Weakness Enumeration
CWE-611
AllowedImproper 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.
1691 vulnerabilities reference this CWE, most recent first.
CVE-2025-6985 (GCVE-0-2025-6985)
Vulnerability from cvelistv5 – Published: 2025-10-06 17:58 – Updated: 2025-10-06 18:10
VLAI
EPSS
VEX
Title
XXE Vulnerability in langchain-ai/langchain
Summary
The HTMLSectionSplitter class in langchain-text-splitters version 0.3.8 is vulnerable to XML External Entity (XXE) attacks due to unsafe XSLT parsing. This vulnerability arises because the class allows the use of arbitrary XSLT stylesheets, which are parsed using lxml.etree.parse() and lxml.etree.XSLT() without any hardening measures. In lxml versions up to 4.9.x, external entities are resolved by default, allowing attackers to read arbitrary local files or perform outbound HTTP(S) fetches. In lxml versions 5.0 and above, while entity expansion is disabled, the XSLT document() function can still read any URI unless XSLTAccessControl is applied. This vulnerability allows remote attackers to gain read-only access to any file the LangChain process can reach, including sensitive files such as SSH keys, environment files, source code, or cloud metadata. No authentication, special privileges, or user interaction are required, and the issue is exploitable in default deployments that enable custom XSLT.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| langchain-ai | langchain-ai/langchain |
Affected:
unspecified , ≤ latest
(custom)
|
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CVE-2025-6438 (GCVE-0-2025-6438)
Vulnerability from cvelistv5 – Published: 2025-07-11 09:06 – Updated: 2025-11-03 20:07
VLAI
EPSS
VEX
Summary
A
CWE-611: Improper Restriction of XML External Entity Reference vulnerability exists that could
cause manipulation of SOAP API calls and XML external entities injection resulting in unauthorized file access
when the server is accessed via the network using an application account.
Severity
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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Schneider Electric | EcoStruxure™ IT Data Center Expert |
Affected:
8.3 , ≤ Prior to
(custom)
|
Date Public
2025-07-08 05:00
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CVE-2025-5877 (GCVE-0-2025-5877)
Vulnerability from cvelistv5 – Published: 2025-06-09 12:31 – Updated: 2025-06-09 13:00
VLAI
EPSS
VEX
Title
Fengoffice Feng Office Document Upload ApplicationDataObject.class.php xml external entity reference
Summary
A vulnerability, which was classified as problematic, has been found in Fengoffice Feng Office 3.2.2.1. Affected by this issue is some unknown functionality of the file /application/models/ApplicationDataObject.class.php of the component Document Upload Handler. The manipulation leads to xml external entity reference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.311636 | vdb-entry |
| https://vuldb.com/?ctiid.311636 | signaturepermissions-required |
| https://vuldb.com/?submit.586971 | third-party-advisory |
| https://gist.github.com/mcdruid/e78694d754f448848… | related |
| https://gist.github.com/mcdruid/e78694d754f448848… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fengoffice | Feng Office |
Affected:
3.2.2.1
|
Credits
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CVE-2025-4949 (GCVE-0-2025-4949)
Vulnerability from cvelistv5 – Published: 2025-05-21 06:47 – Updated: 2025-10-14 06:30
VLAI
EPSS
VEX
Title
XXE vulnerability in Eclipse JGit
Summary
In Eclipse JGit versions 7.2.0.202503040940-r and older, the ManifestParser class used by the repo command and the AmazonS3 class used to implement the experimental amazons3 git transport protocol allowing to store git pack files in an Amazon S3 bucket, are vulnerable to XML External Entity (XXE) attacks when parsing XML files. This vulnerability can lead to information disclosure, denial of service, and other security issues.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://projects.eclipse.org/projects/technology.… | release-notes |
| https://projects.eclipse.org/projects/technology.… | release-notes |
| https://projects.eclipse.org/projects/technology.… | release-notes |
| https://projects.eclipse.org/projects/technology.… | release-notes |
| https://gitlab.eclipse.org/security/vulnerability… | issue-tracking |
| https://gitlab.eclipse.org/security/cve-assigneme… | issue-tracking |
| https://projects.eclipse.org/projects/technology.… | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse JGit | Eclipse JGit |
Affected:
7.2.0 , < 7.2.1.202505142326-r
(osgi)
Affected: 7.1.0 , < 7.1.1.202505221757-r (osgi) Affected: 7.0.0 , < 7.0.1.202505221510-r (osgi) Affected: 0 , < 5.13.4.202507202350-r (osgi) Affected: 6.0.0 , < 6.10.1.202505221210-r (osgi) |
Credits
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CVE-2025-4641 (GCVE-0-2025-4641)
Vulnerability from cvelistv5 – Published: 2025-05-14 18:09 – Updated: 2025-05-14 20:49
VLAI
EPSS
VEX
Title
XML External Entity (XXE) injection vulnerability in WebDriverManager
Summary
Improper Restriction of XML External Entity Reference vulnerability in bonigarcia webdrivermanager WebDriverManager on Windows, MacOS, Linux (XML parsing components modules) allows Data Serialization External Entities Blowup. This vulnerability is associated with program files src/main/java/io/github/bonigarcia/wdm/WebDriverManager.java.
This issue affects webdrivermanager: from 1.0.0 before 6.0.2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bonigarcia | webdrivermanager |
Affected:
1.0.0 , < 6.0.2
(maven)
|
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CVE-2025-4639 (GCVE-0-2025-4639)
Vulnerability from cvelistv5 – Published: 2025-05-14 18:04 – Updated: 2025-05-14 20:53
VLAI
EPSS
VEX
Title
Improper Restriction of XML External Entity Reference in Peergos
Summary
CWE-611 Improper Restriction of XML External Entity Reference in the getDocumentBuilder() method of WebDav servlet in Peergos. This issue affects Peergos through version 1.1.0.
Severity
SSVC
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Automatable: yes
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CISA Coordinator (v2.0.3)
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
1 reference
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CVE-2025-4338 (GCVE-0-2025-4338)
Vulnerability from cvelistv5 – Published: 2025-05-22 23:00 – Updated: 2025-05-23 13:34 Unsupported When Assigned
VLAI
EPSS
VEX
Title
Lantronix Device Installer Improper Restriction of XML External Entity Reference
Summary
Lantronix Device installer is vulnerable to XML external entity (XXE) attacks in configuration files read from the network device. An attacker could obtain credentials, access these network devices, and modify their configurations. An attacker may also gain access to the host running the Device Installer software or the password hash of the user running the application.
Severity
6.8 (Medium)
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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lantronix | Device Installer |
Affected:
0 , ≤ 4.4.0.7
(custom)
|
Date Public
2025-05-22 17:00
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CVE-2025-4044 (GCVE-0-2025-4044)
Vulnerability from cvelistv5 – Published: 2025-08-19 13:12 – Updated: 2026-02-26 17:48
VLAI
EPSS
VEX
Title
XML External Entity Injection vulnerability in various Lexmark Universal Drivers
Summary
Improper Restriction of XML External Entity Reference in various Lexmark printer drivers for Windows allows attacker to disclose sensitive information to an arbitrary URL.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Lexmark | Universal Print Driver |
Affected:
0 , < 3.0.6.0
(custom)
|
|
| Lexmark | Printer Software G2 |
Affected:
0 , < 2.17.0.0
(custom)
|
Date Public
2025-08-18 16:00
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CVE-2025-3241 (GCVE-0-2025-3241)
Vulnerability from cvelistv5 – Published: 2025-04-04 11:00 – Updated: 2025-04-04 11:56
VLAI
EPSS
VEX
Title
zhangyanbo2007 youkefu XML Document CallCenterRouterController.java xml external entity reference
Summary
A vulnerability, which was classified as problematic, was found in zhangyanbo2007 youkefu up to 4.2.0. This affects an unknown part of the file src/main/java/com/ukefu/webim/web/handler/admin/callcenter/CallCenterRouterController.java of the component XML Document Handler. The manipulation of the argument routercontent leads to xml external entity reference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity
6.3 (Medium)
6.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.303267 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.303267 | signaturepermissions-required |
| https://vuldb.com/?submit.547585 | third-party-advisory |
| https://github.com/askqiu/cve/blob/main/README.md | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zhangyanbo2007 | youkefu |
Affected:
4.0
Affected: 4.1 Affected: 4.2 |
Credits
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CVE-2025-2905 (GCVE-0-2025-2905)
Vulnerability from cvelistv5 – Published: 2025-05-05 09:02 – Updated: 2025-10-16 11:39
VLAI
EPSS
VEX
Title
An XML External Entity (XXE) vulnerability in Multiple WSO2 Products
Summary
Due to the improper configuration of XML parser, user-supplied XML is parsed without applying sufficient restrictions, enabling XML External Entity (XXE) resolution in multiple WSO2 Products.
A successful XXE attack could allow a remote, unauthenticated attacker to:
* Read sensitive files from the server’s filesystem.
* Perform denial-of-service (DoS) attacks, which can render the affected service unavailable.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.docs.wso2.com/en/latest/security… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| WSO2 | WSO2 API Manager |
Affected:
0 , < 2.0.0
(custom)
Affected: 2.1.0 (custom) Affected: 2.2.0 (custom) Affected: 2.5.0 (custom) Affected: 2.6.0 (custom) Affected: 3.0.0 (custom) Affected: 3.1.0 (custom) Affected: 4.0.0 , < 4.0.0.311 (custom) Affected: 4.1.0 , < 4.1.0.152 (custom) Affected: 4.2.0 , < 4.2.0.122 (custom) |
|
| WSO2 | WSO2 Enterprise Integrator |
Unknown:
0 , < 6.0.0
(custom)
Affected: 6.0.0 (custom) Affected: 6.1.0 (custom) Affected: 6.1.1 (custom) Affected: 6.2.0 (custom) Affected: 6.3.0 (custom) Affected: 6.4.0 (custom) Affected: 6.5.0 (custom) Affected: 6.6.0 (custom) |
|
| WSO2 | WSO2 Enterprise Service Bus |
Unknown:
0 , < 4.9.0
(custom)
Affected: 4.9.0 (custom) Affected: 5.0.0 (custom) |
|
| WSO2 | WSO2 Micro integrator |
Unknown:
0 , < 1.0.0
(custom)
Affected: 1.0.0 (custom) Affected: 1.1.0 (custom) Affected: 1.2.0 , < 1.2.0.162 (custom) Affected: 4.0.0 , < 4.0.0.132 (custom) Affected: 4.1.0 , < 4.1.0.115 (custom) Affected: 4.2.0 , < 4.2.0.112 (custom) |
|
| WSO2 | WSO2 Open Banking AM |
Unknown:
0 , < 1.5.0
(custom)
Affected: 1.5.0 (custom) |
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"cveId": "CVE-2025-2905",
"datePublished": "2025-05-05T09:02:01.489Z",
"dateReserved": "2025-03-28T08:46:09.062Z",
"dateUpdated": "2025-10-16T11:39:21.741Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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.