Common Weakness Enumeration
CWE-73
AllowedExternal Control of File Name or Path
Abstraction: Base · Status: Draft
The product allows user input to control or influence paths or file names that are used in filesystem operations.
1295 vulnerabilities reference this CWE, most recent first.
CVE-2026-104809 (GCVE-0-2026-104809)
Vulnerability from cvelistv5 – Published: 2026-10-05 08:32 – Updated: 2026-10-05 12:55
VLAI
EPSS
VEX
Title
Mitel MiVoice Office 400 Shared Object Hijacking Leading to Arbitrary Code Execution
Summary
DigitalCanion has discovered a vulnerability that allows an attacker to cause the system to load an attacker-controlled .so file instead of the expected legitimate module. The loading mechanism relies on a predictable module name without adequately verifying the file’s origin or integrity. A malicious shared object using the expected name can therefore be loaded by a privileged process. The module code then executes within the context and privileges of that process. This results in arbitrary code execution and full compromise of the Mitel Linux virtual machine.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 12:53 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mitel | Mitel MiVoice Office 400 |
Affected:
11.0.96.0
|
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CVE-2026-104805 (GCVE-0-2026-104805)
Vulnerability from cvelistv5 – Published: 2026-10-05 08:22 – Updated: 2026-10-05 12:57
VLAI
EPSS
VEX
Title
Mitel MiVoice Office 400 Backup Restoration Arbitrary File Write Leading to Root Code Execution
Summary
DigitalCanion has discovered a vulnerability in the backup restoration functionality that allows an attacker with access to the configured backup repository to introduce arbitrary files into the system during restoration.
The specific flaw exists within the backup restoration mechanism, which fails to properly validate the paths, file types, integrity, and authenticity of files contained within a restored TGZ archive. The application does not perform file-signature verification before extracting the archive, allowing a specially crafted backup to contain attacker-controlled files.
An attacker with access to the backup SFTP or other configured repository can therefore provide a malicious TGZ archive that, when restored by the system, may place arbitrary files on the underlying Linux system. Depending on the location and permissions of the extracted files, this behavior can potentially be leveraged to achieve arbitrary code execution with root privileges and compromise the underlying virtual machine.
The absence of enforced backup passwords further reduces the protection provided by the backup mechanism and may facilitate unauthorized access to the repository.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 12:57 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mitel | Mitel MiVoice Office 400 |
Affected:
11.0.96.0
|
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CVE-2026-103928 (GCVE-0-2026-103928)
Vulnerability from cvelistv5 – Published: 2026-10-13 15:44 – Updated: 2026-10-13 16:08
VLAI
EPSS
VEX
Title
Metabase: Arbitrary File Read/Write via Unsafe H2 Built-in Functions
Summary
Metabase is an open source business intelligence and analytics platform. From 1.55.0 until 1.58.16, 1.59.13, 1.60.9, and 1.61.4, native queries and actions against an H2 data source are passed through without restricting host-facing built-in functions. A user authorized to run native queries or actions can invoke FILE_READ, FILE_WRITE, CSVREAD, CSVWRITE, or LINK_SCHEMA to read or write arbitrary files on the Metabase server or link other databases. The default sample database uses H2, so the vulnerable surface is exposed by default. This issue is fixed in versions 1.58.16, 1.59.13, 1.60.9, and 1.61.4.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 16:08 UTC
CWE
- CWE-73 - External Control of File Name or Path
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/metabase/metabase/security/adv… | x_refsource_CONFIRM |
| https://github.com/metabase/metabase/commit/8fb4f… | x_refsource_MISC |
| https://github.com/metabase/metabase/commit/a9434… | x_refsource_MISC |
| https://github.com/metabase/metabase/commit/abf3f… | x_refsource_MISC |
| https://github.com/metabase/metabase/commit/ae60d… | x_refsource_MISC |
| https://github.com/metabase/metabase/commit/e2314… | x_refsource_MISC |
| https://github.com/metabase/metabase/releases/tag… | x_refsource_MISC |
| https://github.com/metabase/metabase/releases/tag… | x_refsource_MISC |
| https://github.com/metabase/metabase/releases/tag… | x_refsource_MISC |
| https://github.com/metabase/metabase/releases/tag… | x_refsource_MISC |
Impacted products
1 product
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CVE-2026-103591 (GCVE-0-2026-103591)
Vulnerability from cvelistv5 – Published: 2026-09-30 23:02 – Updated: 2026-10-02 16:03
VLAI
EPSS
VEX
Title
DeepWiki-Open through commit d92819a Unauthenticated Arbitrary File Read via /codemap/file
Summary
DeepWiki-Open through commit d92819a contains an unauthenticated arbitrary file read vulnerability in the GET /codemap/file endpoint via the repo_url parameter. Attackers can supply a non-URL repo_url value to bypass path containment checks and read any file accessible to the API process by specifying absolute file paths.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 16:03 UTC
CWE
- CWE-73 - External Control of File Name or Path
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/AsyncFuncAI/deepwiki-open/issues/590 | issue-tracking |
| https://github.com/AsyncFuncAI/deepwiki-open/blob… | technical-description |
| https://github.com/AsyncFuncAI/deepwiki-open/blob… | technical-description |
| https://github.com/AsyncFuncAI/deepwiki-open/blob… | technical-description |
| https://github.com/AsyncFuncAI/deepwiki-open | product |
| https://www.vulncheck.com/advisories/deepwiki-ope… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AsyncFuncAI | deepwiki-open |
Affected:
0 , ≤ d92819a
(git)
|
Date Public
2026-09-20 00:00
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CVE-2026-103511 (GCVE-0-2026-103511)
Vulnerability from cvelistv5 – Published: 2026-10-05 08:40 – Updated: 2026-10-05 12:29
VLAI
EPSS
VEX
Title
Arbitrary file-write via extension installation in P4Search
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 12:29 UTC
CWE
- CWE-73 - External control of file name or path
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Perforce | P4 (Helix Core) |
Affected:
0 , ≤ 2026.4.1
(custom)
Unaffected: 2026.4.2 |
Date Public
2026-09-30 18:29
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CVE-2026-103507 (GCVE-0-2026-103507)
Vulnerability from cvelistv5 – Published: 2026-10-05 08:31 – Updated: 2026-10-05 13:38
VLAI
EPSS
VEX
Title
Arbitrary file-write via log configuration path in P4Search
Summary
Perforce P4 Search prior to 2026.4.2 does not restrict file paths written through its logging configuration interface. An attacker holding the service authentication token can write arbitrary files on the host, potentially leading to code execution as the P4 Search service account.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 13:28 UTC
CWE
- CWE-73 - External control of file name or path
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Perforce | P4 (Helix Core) |
Affected:
0 , ≤ 2026.4.1
(custom)
Unaffected: 2026.4.2 (custom) |
Date Public
2026-09-30 18:29
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CVE-2026-103398 (GCVE-0-2026-103398)
Vulnerability from cvelistv5 – Published: 2026-09-30 14:48 – Updated: 2026-10-01 14:50
VLAI
EPSS
VEX
Title
OpenSave through 2.4.0 Arbitrary File Read and Write via Peer-Controlled Save Path
Summary
OpenSave through 2.4.0 fails to properly validate save paths supplied by paired peers in the manifest request handler. Attackers can specify arbitrary directories outside configured save locations to read and write files through manifest and sync routes.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 15:37 UTC
CWE
- CWE-73 - External Control of File Name or Path
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://gist.github.com/mansurmavlankulov/2ca66f9… | third-party-advisory |
| https://github.com/Liquid-co/OpenSave/blob/v2.4.0… | technical-description |
| https://github.com/Liquid-co/OpenSave/blob/v2.4.0… | technical-description |
| https://github.com/Liquid-co/OpenSave | product |
| https://www.vulncheck.com/advisories/opensave-thr… | third-party-advisory |
Impacted products
Date Public
2026-09-09 00:00
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CVE-2026-103255 (GCVE-0-2026-103255)
Vulnerability from cvelistv5 – Published: 2026-10-01 10:42 – Updated: 2026-10-01 19:25
VLAI
EPSS
VEX
Title
n8n before 1.123.80, 2.39.6, and 2.40.1 Path Traversal and Query Injection via Supabase
Summary
n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a path traversal vulnerability in the Supabase node where the tableId parameter is inserted into request paths without validation. Attackers can exploit workflows binding tableId to untrusted input to traverse to Auth and Storage APIs using the administrative serviceRole key, bypassing Row Level Security and enabling unauthorized data access and modification.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 19:25 UTC
CWE
- CWE-73 - External Control of File Name or Path
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | vendor-advisory |
| https://www.vulncheck.com/advisories/n8n-before-1… | third-party-advisory |
Impacted products
Date Public
2026-09-16 00:00
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CVE-2026-102146 (GCVE-0-2026-102146)
Vulnerability from cvelistv5 – Published: 2026-09-30 20:08 – Updated: 2026-10-01 13:37
VLAI
EPSS
VEX
Title
Kiteworks Email Protection Gateway Arbitrary File Write through Server-Side Template Injection
Summary
An authenticated Email Protection Gateway administrator holding only limited, delegated permissions could write files with attacker-controlled content to arbitrary locations accessible to the Email Protection Gateway service account. This exceeds the administrator's intended privileges and could be used to alter application files and configuration or to disrupt the availability of the service.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 13:25 UTC
CWE
- CWE-73 - External Control of File Name or Path
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kiteworks/security-advisories/… | |
| https://raw.githubusercontent.com/cisagov/CSAF/de… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kiteworks | Email Protection Gateway |
Affected:
0 , < 9.5.1
(custom)
Unaffected: 9.5.1 |
Date Public
2026-09-30 00:00
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CVE-2026-102141 (GCVE-0-2026-102141)
Vulnerability from cvelistv5 – Published: 2026-09-30 20:10 – Updated: 2026-10-07 15:52
VLAI
EPSS
VEX
Title
Kiteworks Core Privilege Escalation through External Control of File Name or Path
Summary
Two Kiteworks Core cluster-management operations did not validate file paths supplied to them, so an attacker holding root on one node of a cluster could write files as root onto another node and cause them to be executed there. Exploitation requires backend root access on a cluster node and a pending software patch present on the target node.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 15:09 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kiteworks/security-advisories/… | |
| https://raw.githubusercontent.com/cisagov/CSAF/de… | third-party-advisory |
Impacted products
Date Public
2026-09-30 00:00
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Mitigation
Architecture and Design
When the set of filenames is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames, and reject all other inputs. For example, ID 1 could map to "inbox.txt" and ID 2 could map to "profile.txt". Features such as the ESAPI AccessReferenceMap provide this capability.
Mitigation
Architecture and Design
Operation
- Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict all access to files within a particular directory.
- Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
Mitigation
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 MIT-5.1
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.
- When validating filenames, use stringent allowlists that limit the character set to be used. If feasible, only allow a single "." character in the filename to avoid weaknesses such as CWE-23, and exclude directory separators such as "/" to avoid CWE-36. Use a list of allowable file extensions, which will help to avoid CWE-434.
- Do not rely exclusively on a filtering mechanism that removes potentially dangerous characters. This is equivalent to a denylist, which may be incomplete (CWE-184). For example, filtering "/" is insufficient protection if the filesystem also supports the use of "\" as a directory separator. Another possible error could occur when the filtering is applied in a way that still produces dangerous data (CWE-182). For example, if "../" sequences are removed from the ".../...//" string in a sequential fashion, two instances of "../" would be removed from the original string, but the remaining characters would still form the "../" string.
Mitigation
Implementation
Use a built-in path canonicalization function (such as realpath() in C) that produces the canonical version of the pathname, which effectively removes ".." sequences and symbolic links (CWE-23, CWE-59).
Mitigation
Installation
Operation
Use OS-level permissions and run as a low-privileged user to limit the scope of any successful attack.
Mitigation
Operation
Implementation
If you are using PHP, configure your application so that it does not use register_globals. During implementation, develop your application so that it does not rely on this feature, but be wary of implementing a register_globals emulation that is subject to weaknesses such as CWE-95, CWE-621, and similar issues.
Mitigation
Testing
Use tools and techniques that require manual (human) analysis, such as penetration testing, threat modeling, and interactive tools that allow the tester to record and modify an active session. These may be more effective than strictly automated techniques. This is especially the case with weaknesses that are related to design and business rules.
CAPEC-13: Subverting Environment Variable Values
The adversary directly or indirectly modifies environment variables used by or controlling the target software. The adversary's goal is to cause the target software to deviate from its expected operation in a manner that benefits the adversary.
CAPEC-267: Leverage Alternate Encoding
An adversary leverages the possibility to encode potentially harmful input or content used by applications such that the applications are ineffective at validating this encoding standard.
CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic
This attack targets the encoding of the URL combined with the encoding of the slash characters. An attacker can take advantage of the multiple ways of encoding a URL and abuse the interpretation of the URL. A URL may contain special character that need special syntax handling in order to be interpreted. Special characters are represented using a percentage character followed by two digits representing the octet code of the original character (%HEX-CODE). For instance US-ASCII space character would be represented with %20. This is often referred as escaped ending or percent-encoding. Since the server decodes the URL from the requests, it may restrict the access to some URL paths by validating and filtering out the URL requests it received. An attacker will try to craft an URL with a sequence of special characters which once interpreted by the server will be equivalent to a forbidden URL. It can be difficult to protect against this attack since the URL can contain other format of encoding such as UTF-8 encoding, Unicode-encoding, etc.
CAPEC-72: URL Encoding
This attack targets the encoding of the URL. An adversary can take advantage of the multiple way of encoding an URL and abuse the interpretation of the URL.
CAPEC-76: Manipulating Web Input to File System Calls
An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.
CAPEC-78: Using Escaped Slashes in Alternate Encoding
This attack targets the use of the backslash in alternate encoding. An adversary can provide a backslash as a leading character and causes a parser to believe that the next character is special. This is called an escape. By using that trick, the adversary tries to exploit alternate ways to encode the same character which leads to filter problems and opens avenues to attack.
CAPEC-79: Using Slashes in Alternate Encoding
This attack targets the encoding of the Slash characters. An adversary would try to exploit common filtering problems related to the use of the slashes characters to gain access to resources on the target host. Directory-driven systems, such as file systems and databases, typically use the slash character to indicate traversal between directories or other container components. For murky historical reasons, PCs (and, as a result, Microsoft OSs) choose to use a backslash, whereas the UNIX world typically makes use of the forward slash. The schizophrenic result is that many MS-based systems are required to understand both forms of the slash. This gives the adversary many opportunities to discover and abuse a number of common filtering problems. The goal of this pattern is to discover server software that only applies filters to one version, but not the other.
CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic
This attack is a specific variation on leveraging alternate encodings to bypass validation logic. This attack leverages the possibility to encode potentially harmful input in UTF-8 and submit it to applications not expecting or effective at validating this encoding standard making input filtering difficult. UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. Legal UTF-8 characters are one to four bytes long. However, early version of the UTF-8 specification got some entries wrong (in some cases it permitted overlong characters). UTF-8 encoders are supposed to use the "shortest possible" encoding, but naive decoders may accept encodings that are longer than necessary. According to the RFC 3629, a particularly subtle form of this attack can be carried out against a parser which performs security-critical validity checks against the UTF-8 encoded form of its input, but interprets certain illegal octet sequences as characters.