CWE-434
Unrestricted Upload of File with Dangerous Type
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
CVE-2026-24673 (GCVE-0-2026-24673)
Vulnerability from cvelistv5 – Published: 2026-02-03 16:56 – Updated: 2026-02-04 16:52
VLAI
Title
Open eClass Has File Upload Filter Bypass via ZIP Archive Extraction
Summary
The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a file upload validation bypass vulnerability allows attackers to upload files with prohibited extensions by embedding them inside ZIP archives and extracting them using the application’s built-in decompression functionality. This issue has been patched in version 4.2.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/gunet/openeclass/security/advi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| gunet | openeclass |
Affected:
< 4.2
|
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CVE-2026-24729 (GCVE-0-2026-24729)
Vulnerability from cvelistv5 – Published: 2026-01-30 03:50 – Updated: 2026-01-30 18:06
VLAI
Title
Interinfo DreamMaker - Unrestricted Upload of File with Dangerous Type
Summary
An unrestricted upload of file with dangerous type vulnerability in the file upload function of Interinfo DreamMaker versions before 2025/10/22 allows remote attackers to execute arbitrary system commands via a malicious class file.
Severity
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://zuso.ai/advisory/za-2026-02 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Internet Information Co., Ltd | DreamMaker |
Affected:
0 , < 2025/10/22
(custom)
|
Date Public
2026-01-30 03:48
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CVE-2026-24769 (GCVE-0-2026-24769)
Vulnerability from cvelistv5 – Published: 2026-01-28 20:36 – Updated: 2026-01-29 14:02
VLAI
Title
NocoDB Vulnerable to Stored Cross-Site Scripting via SVG upload
Summary
NocoDB is software for building databases as spreadsheets. Prior to version 0.301.0, a stored cross-site scripting (XSS) vulnerability exists in NocoDB’s attachment handling mechanism. Authenticated users can upload malicious SVG files containing embedded JavaScript, which are later rendered inline and executed in the browsers of other users who view the attachment. Because the malicious payload is stored server-side and executed under the application’s origin, successful exploitation can lead to account compromise, data exfiltration and unauthorized actions performed on behalf of affected users. Version 0.301.0 patches the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/nocodb/nocodb/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-24815 (GCVE-0-2026-24815)
Vulnerability from cvelistv5 – Published: 2026-01-27 08:51 – Updated: 2026-01-27 20:41
VLAI
Title
A XStream Security Vulnerability in XML Deserialization in datavane/tis
Summary
Unrestricted Upload of File with Dangerous Type, Deserialization of Untrusted Data vulnerability in datavane tis (tis-plugin/src/main/java/com/qlangtech/tis/extension/impl modules). This vulnerability is associated with program files XmlFile.Java.
This issue affects tis: before v4.3.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/datavane/tis/pull/443 | patch |
Credits
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CVE-2026-24897 (GCVE-0-2026-24897)
Vulnerability from cvelistv5 – Published: 2026-01-28 22:24 – Updated: 2026-01-29 16:54
VLAI
Title
Authenticated Remote Code Execution via Arbitrary File Upload
Summary
Erugo is a self-hosted file-sharing platform. In versions up to and including 0.2.14, an authenticated low-privileged user can upload arbitrary files to any specified location due to insufficient validation of user‑supplied paths when creating shares.
By specifying a writable path within the public web root, an attacker can upload and execute arbitrary code on the server, resulting in remote code execution (RCE). This vulnerability allows a low-privileged user to fully compromise the affected Erugo instance. Version 0.2.15 fixes the issue.
Severity
10 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ErugoOSS/Erugo/security/adviso… | x_refsource_CONFIRM |
| https://github.com/ErugoOSS/Erugo/commit/256bc638… | x_refsource_MISC |
| https://github.com/ErugoOSS/Erugo/releases/tag/v0.2.15 | x_refsource_MISC |
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CVE-2026-24960 (GCVE-0-2026-24960)
Vulnerability from cvelistv5 – Published: 2026-03-05 05:53 – Updated: 2026-04-28 16:14
VLAI
Title
WordPress Charety theme < 2.0.2 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in zozothemes Charety charety allows Using Malicious Files.This issue affects Charety: from n/a through < 2.0.2.
Severity
9.9 (Critical)
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
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Theme/c… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zozothemes | Charety |
Affected:
0 , ≤ 2.0.2
(custom)
|
Date Public
2026-04-01 16:04
Credits
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CVE-2026-25056 (GCVE-0-2026-25056)
Vulnerability from cvelistv5 – Published: 2026-02-04 16:47 – Updated: 2026-02-05 14:33
VLAI
Title
n8n Arbitrary File Write leading to RCE in n8n Merge Node
Summary
n8n is an open source workflow automation platform. Prior to versions 1.118.0 and 2.4.0, a vulnerability in the Merge node's SQL Query mode allowed authenticated users with permission to create or modify workflows to write arbitrary files to the n8n server's filesystem potentially leading to remote code execution. This issue has been patched in versions 1.118.0 and 2.4.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | x_refsource_CONFIRM |
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CVE-2026-25099 (GCVE-0-2026-25099)
Vulnerability from cvelistv5 – Published: 2026-03-27 11:55 – Updated: 2026-03-27 12:42 X_Open Source
VLAI
Title
Remote Code Execution via Unrestricted File Upload in Bludit
Summary
Bludit’s API plugin allows an authenticated attacker with a valid API token to upload files of any type and extension without restriction, which can then be executed, leading to Remote Code Execution.
This issue was fixed in 3.18.4.
Severity
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
2 references
| URL | Tags |
|---|---|
| https://cert.pl/posts/2026/03/CVE-2026-25099 | third-party-advisory |
| https://github.com/bludit/bludit/releases/tag/3.18.4 | release-notes |
Date Public
2026-03-26 10:55
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CVE-2026-25200 (GCVE-0-2026-25200)
Vulnerability from cvelistv5 – Published: 2026-02-02 04:49 – Updated: 2026-02-26 15:04
VLAI
Summary
A vulnerability in MagicInfo9 Server allows authorized users to upload HTML files without authentication, leading to Stored XSS, which can result in account takeover
This issue affects MagicINFO 9 Server: less than 21.1090.1.
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
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Electronics | MagicINFO 9 Server |
Affected:
21.1090.1
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CVE-2026-25201 (GCVE-0-2026-25201)
Vulnerability from cvelistv5 – Published: 2026-02-02 04:49 – Updated: 2026-02-26 15:04
VLAI
Summary
An unauthenticated user can upload arbitrary files to execute remote code, leading to privilege escalation in MagicInfo9 Server.
This issue affects MagicINFO 9 Server: less than 21.1090.1.
Severity
8.8 (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
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Electronics | MagicINFO 9 Server |
Affected:
21.1090.1
|
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Mitigation
Phase: Architecture and Design
Description:
- 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 ID: MIT-21
Phase: Architecture and Design
Strategy: Enforcement by Conversion
Description:
- 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
Phase: Architecture and Design
Description:
- Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation ID: MIT-5
Phase: Implementation
Strategy: Input Validation
Description:
- 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
Phase: Architecture and Design
Description:
- 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
Phase: Implementation
Strategy: Input Validation
Description:
- 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
Phase: Implementation
Description:
- When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation ID: MIT-15
Phase: Architecture and Design
Description:
- 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
Phase: Implementation
Description:
- 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
Phase: Implementation
Description:
- 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 ID: MIT-17
Phases: Architecture and Design, Operation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-22
Phases: Architecture and Design, Operation
Strategy: Sandbox or Jail
Description:
- 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.