Common Weakness Enumeration
CWE-434
AllowedUnrestricted Upload of File with Dangerous Type
Abstraction: Base · Status: Draft
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
5966 vulnerabilities reference this CWE, most recent first.
CVE-2026-8758 (GCVE-0-2026-8758)
Vulnerability from cvelistv5 – Published: 2026-05-17 13:45 – Updated: 2026-05-18 10:41
VLAI
EPSS
VEX
Title
Metasoft 美特软件 MetaCRM upload3.jsp unrestricted upload
Summary
A vulnerability was determined in Metasoft 美特软件 MetaCRM up to 6.4.0 Beta06. This impacts an unknown function of the file /common/jsp/upload3.jsp. Executing a manipulation of the argument File can lead to unrestricted upload. The attack may be launched 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.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/364385 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/364385/cti | signaturepermissions-required |
| https://vuldb.com/submit/811283 | third-party-advisory |
| https://ucn9h68n9289.feishu.cn/wiki/XmoNwpJjJiQrB… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Metasoft 美特软件 | MetaCRM |
Affected:
6.4.0 Beta06
cpe:2.3:a:metasoft_:metacrm:*:*:*:*:*:*:*:* |
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CVE-2026-8134 (GCVE-0-2026-8134)
Vulnerability from cvelistv5 – Published: 2026-05-21 20:13 – Updated: 2026-05-22 12:15
VLAI
EPSS
VEX
Title
Concrete CMS 9.5.0 and below is vulnerable to Authenticated RCE via Composer customTemplate Path Traversal leading to PHP File Inclusion
Summary
Concrete CMS 9.5.0 and below fails to sanitize path traversal sequences in the ptComposerFormLayoutSetControlCustomTemplate field when saving page type composer form layouts. An authenticated rogue administrator with composer form editing rights can exploit this to include arbitrary readable files on the server. Combined with the file uploader's extension-only validation (which permits PHP code in files saved with image extensions like .png), this can result in authenticated remote code execution. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 9.4 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H Thanks Yonatan Drori (Tenzai) for reporting.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://documentation.concretecms.org/9-x/develop… | release-notes |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Concrete CMS | Concrete CMS |
Affected:
5.0 , ≤ 9.5.0
(git)
|
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CVE-2026-7852 (GCVE-0-2026-7852)
Vulnerability from cvelistv5 – Published: 2026-06-11 11:36 – Updated: 2026-06-11 13:59
VLAI
EPSS
VEX
Title
Unrestricted File Upload in Limatek's LimRAD NAC
Summary
Unrestricted upload of file with dangerous type vulnerability in Limatek System Inc. LimRAD NAC allows Remote Code Inclusion.
This issue affects LimRAD NAC: before 5.5.7.3.9.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted upload of file with dangerous type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Limatek System Inc. | LimRAD NAC |
Affected:
0 , < 5.5.7.3.9
(custom)
|
Date Public
2026-06-11 11:29
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CVE-2026-7733 (GCVE-0-2026-7733)
Vulnerability from cvelistv5 – Published: 2026-05-04 04:45 – Updated: 2026-05-04 12:52
VLAI
EPSS
VEX
Title
funadmin Frontend Chunked Upload Endpoint UploadService.php chunkUpload unrestricted upload
Summary
A flaw has been found in funadmin up to 7.1.0-rc6. This affects the function UploadService::chunkUpload of the file app/common/service/UploadService.php of the component Frontend Chunked Upload Endpoint. This manipulation of the argument File causes unrestricted upload. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 59. To fix this issue, it is recommended to deploy a patch.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360908 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360908/cti | signaturepermissions-required |
| https://vuldb.com/submit/807559 | third-party-advisory |
| https://gitee.com/funadmin/funadmin/issues/IJ8NXT | exploitissue-tracking |
| https://gitee.com/funadmin/funadmin/pulls/59 | patch |
| https://gitee.com/funadmin/funadmin/ | product |
Impacted products
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CVE-2026-7732 (GCVE-0-2026-7732)
Vulnerability from cvelistv5 – Published: 2026-05-04 04:30 – Updated: 2026-05-05 19:07 X_Freeware
VLAI
EPSS
VEX
Title
code-projects BloodBank Managing System request_blood.php unrestricted upload
Summary
A vulnerability was detected in code-projects BloodBank Managing System 1.0. The impacted element is an unknown function of the file request_blood.php. The manipulation results in unrestricted upload. The attack can be executed remotely. The exploit is now public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360907 | vdb-entry |
| https://vuldb.com/vuln/360907/cti | signaturepermissions-required |
| https://vuldb.com/submit/807558 | third-party-advisory |
| https://github.com/QAp89/CVE/blob/main/Arbitrary%… | exploit |
| https://code-projects.org/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| code-projects | BloodBank Managing System |
Affected:
1.0
|
Credits
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CVE-2026-7711 (GCVE-0-2026-7711)
Vulnerability from cvelistv5 – Published: 2026-05-03 23:30 – Updated: 2026-05-04 13:20
VLAI
EPSS
VEX
Title
MindsDB Engine proc_wrapper.py exec unrestricted upload
Summary
A weakness has been identified in MindsDB up to 26.01. This impacts the function exec of the file mindsdb/integrations/handlers/byom_handler/proc_wrapper.py of the component Engine Handler. Executing a manipulation can lead to unrestricted upload. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360887 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360887/cti | signaturepermissions-required |
| https://vuldb.com/submit/806822 | third-party-advisory |
| https://github.com/nn0nkey/JD-Security-SHENYI-Tea… | exploit |
Impacted products
Credits
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CVE-2026-7696 (GCVE-0-2026-7696)
Vulnerability from cvelistv5 – Published: 2026-05-03 12:30 – Updated: 2026-05-04 13:05
VLAI
EPSS
VEX
Title
Acrel Electrical EEMS Enterprise Power Operation and Maintenance Cloud Platform uploadH5Files unrestricted upload
Summary
A vulnerability was found in Acrel Electrical EEMS Enterprise Power Operation and Maintenance Cloud Platform 1.3.0. This impacts an unknown function of the file /SubstationWEBV2/main/uploadH5Files. The manipulation of the argument File results in unrestricted upload. The attack may be launched remotely. The exploit has been made public and could 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
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360865 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360865/cti | signaturepermissions-required |
| https://vuldb.com/submit/807944 | third-party-advisory |
| https://ucn9h68n9289.feishu.cn/wiki/X9PAw4i5kiPue… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Acrel Electrical | EEMS Enterprise Power Operation and Maintenance Cloud Platform |
Affected:
1.3.0
|
Credits
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CVE-2026-7673 (GCVE-0-2026-7673)
Vulnerability from cvelistv5 – Published: 2026-05-03 01:15 – Updated: 2026-05-04 14:54
VLAI
EPSS
VEX
Title
crmeb_java Admin Upload UploadServiceImpl.java unrestricted upload
Summary
A vulnerability was detected in crmeb_java up to 1.3.4. This vulnerability affects unknown code of the file crmeb/crmeb-service/src/main/java/com/zbkj/service/service/impl/UploadServiceImpl.java of the component Admin Upload. Performing a manipulation of the argument model results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now 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
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360826 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360826/cti | signaturepermissions-required |
| https://vuldb.com/submit/800684 | third-party-advisory |
| https://fx4tqqfvdw4.feishu.cn/docx/EgMOdHyq6oyxhu… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | crmeb_java |
Affected:
1.3.0
Affected: 1.3.1 Affected: 1.3.2 Affected: 1.3.3 Affected: 1.3.4 |
Credits
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CVE-2026-7578 (GCVE-0-2026-7578)
Vulnerability from cvelistv5 – Published: 2026-05-01 10:45 – Updated: 2026-05-01 14:03
VLAI
EPSS
VEX
Title
MacCMS Pro Plugin Installation add.html install unrestricted upload
Summary
A weakness has been identified in MacCMS Pro up to 2022.1.3. This vulnerability affects the function install of the file /admi.php/admin/addon/add.html of the component Plugin Installation Handler. Executing a manipulation can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. 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
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360419 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360419/cti | signaturepermissions-required |
| https://vuldb.com/submit/792283 | third-party-advisory |
| https://github.com/qingyun985/Cyber-Security/issues/1 | exploitissue-tracking |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | MacCMS Pro |
Affected:
2022.1.0
Affected: 2022.1.1 Affected: 2022.1.2 Affected: 2022.1.3 |
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CVE-2026-7537 (GCVE-0-2026-7537)
Vulnerability from cvelistv5 – Published: 2026-06-06 02:28 – Updated: 2026-06-06 11:48
VLAI
EPSS
VEX
Title
MDJM Event Management <= 1.7.8.3 - Authenticated (Administrator+) Arbitrary File Upload via 'mdjm_email_upload_file' Parameter
Summary
The MDJM Event Management plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.7.8.3 via the mdjm_send_comm_email function. This is due to no file type, extension, or MIME type validation being performed on uploaded files. This makes it possible for authenticated attackers, with administrator-level access and above, to upload files that may be executable, which makes remote code execution possible.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
10 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mdjm | MDJM Event Management |
Affected:
0 , ≤ 1.7.8.3
(semver)
|
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Mitigation
Architecture and Design
Generate a new, unique filename for an uploaded file instead of using the user-supplied filename, so that no external input is used at all.[REF-422] [REF-423]
Mitigation MIT-21
Architecture and Design
Strategy: Enforcement by Conversion
When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
Mitigation
Architecture and Design
Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- For example, limiting filenames to alphanumeric characters can help to restrict the introduction of unintended file extensions.
Mitigation
Architecture and Design
Define a very limited set of allowable extensions and only generate filenames that end in these extensions. Consider the possibility of XSS (CWE-79) before allowing .html or .htm file types.
Mitigation
Implementation
Strategy: Input Validation
Ensure that only one extension is used in the filename. Some web servers, including some versions of Apache, may process files based on inner extensions so that "filename.php.gif" is fed to the PHP interpreter.[REF-422] [REF-423]
Mitigation
Implementation
When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Implementation
Do not rely exclusively on sanity checks of file contents to ensure that the file is of the expected type and size. It may be possible for an attacker to hide code in some file segments that will still be executed by the server. For example, GIF images may contain a free-form comments field.
Mitigation
Implementation
Do not rely exclusively on the MIME content type or filename attribute when determining how to render a file. Validating the MIME content type and ensuring that it matches the extension is only a partial solution.
Mitigation MIT-17
Architecture and Design
Operation
Strategy: Environment Hardening
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation MIT-22
Architecture and Design
Operation
Strategy: Sandbox or Jail
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs
In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.