CWE-73

External Control of File Name or Path

The product allows user input to control or influence paths or file names that are used in filesystem operations.

CVE-2026-26359 (GCVE-0-2026-26359)

Vulnerability from cvelistv5 – Published: 2026-02-19 08:34 – Updated: 2026-02-26 14:44
VLAI
Summary
Dell Unisphere for PowerMax, version(s) 10.2, contain(s) an External Control of File Name or Path vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to the ability to overwrite arbitrary files.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
Dell Unisphere for PowerMax Affected: N/A , < 10.3.0.1 or later (semver)
Create a notification for this product.
Dell PowerMax Affected: N/A , < 10.3.0.1 or later (semver)
Create a notification for this product.
Date Public
2026-02-18 18:30
Show details on NVD website
To clipboard 

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CVE-2026-26360 (GCVE-0-2026-26360)

Vulnerability from cvelistv5 – Published: 2026-02-19 08:41 – Updated: 2026-02-23 18:35
VLAI
Summary
Dell Unisphere for PowerMax, version(s) 10.2, contain(s) an External Control of File Name or Path vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability to delete arbitrary files.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
Dell Unisphere for PowerMax Affected: N/A , < 10.3.0.1 or later (semver)
Create a notification for this product.
Dell PowerMax Affected: N/A , < 10.3.0.1 or later (semver)
Create a notification for this product.
Date Public
2026-02-18 18:30
Show details on NVD website
To clipboard 

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CVE-2026-26361 (GCVE-0-2026-26361)

Vulnerability from cvelistv5 – Published: 2026-02-19 08:14 – Updated: 2026-02-19 21:30
VLAI
Summary
Dell Unisphere for PowerMax, version(s) 10.2, contain(s) an External Control of File Name or Path vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
Dell Unisphere for PowerMax Affected: N/A , < 10.3.0.1 or later (semver)
Create a notification for this product.
Dell PowerMax Affected: N/A , < 10.3.0.1 or later (semver)
Create a notification for this product.
Date Public
2026-02-18 18:30
Show details on NVD website
To clipboard 

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CVE-2026-26975 (GCVE-0-2026-26975)

Vulnerability from cvelistv5 – Published: 2026-02-20 00:49 – Updated: 2026-02-20 15:35
VLAI
Title
Music Assistant Server Path Traversal in Playlist Update API Allows Remote Code Execution
Summary
Music Assistant is an open-source media library manager that integrates streaming services with connected speakers. Versions 2.6.3 and below allow unauthenticated network-adjacent attackers to execute arbitrary code on affected installations. The music/playlists/update API allows users to bypass the .m3u extension enforcement and write files anywhere on the filesystem, which is exacerbated by the container running as root. This can be exploited to achieve Remote Code Execution by writing a malicious .pth file to the Python site-packages directory, which will execute arbitrary commands when Python loads. This issue has been fixed in version 2.7.0.
Severity
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
music-assistant server Affected: < 2.7.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-27008 (GCVE-0-2026-27008)

Vulnerability from cvelistv5 – Published: 2026-02-19 23:23 – Updated: 2026-02-20 15:37
VLAI
Title
OpenClaw hardened the skill download target directory validation
Summary
OpenClaw is a personal AI assistant. Prior to version 2026.2.15, a bug in `download` skill installation allowed `targetDir` values from skill frontmatter to resolve outside the per-skill tools directory if not strictly validated. In the admin-only `skills.install` flow, this could write files outside the intended install sandbox. Version 2026.2.15 contains a fix for the issue.
Severity
6.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
openclaw openclaw Affected: < 2026.2.15
Create a notification for this product.
Show details on NVD website
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CVE-2026-27115 (GCVE-0-2026-27115)

Vulnerability from cvelistv5 – Published: 2026-02-20 17:07 – Updated: 2026-02-20 18:45
VLAI
Title
ADB Explorer is Vulnerable to Arbitrary Directory Deletion via Command-Line Argument
Summary
ADB Explorer is a fluent UI for ADB on Windows. Versions 0.9.26020 and below have an unvalidated command-line argument that allows any user to trigger recursive deletion of arbitrary directories on the Windows filesystem. ADB Explorer accepts an optional path argument to set a custom data directory, but only check whether the path exists. The ClearDrag() method calls Directory.Delete(dir, true) on every subdirectory of that path at both application startup and exit. An attacker can craft a malicious shortcut (.lnk) or batch script that launches ADB Explorer with a critical directory (e.g. C:\Users\%USERNAME%\Documents) as the argument, causing permanent recursive deletion of all its subdirectories. Any user who launches ADB Explorer via a crafted shortcut, batch file, or script loses the contents of the targeted directory permanently (deletion bypasses the Recycle Bin). This issue has been fixed in version 0.9.26021.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
Alex4SSB ADB-Explorer Affected: < 0.9.26021
Create a notification for this product.
Show details on NVD website
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CVE-2026-27211 (GCVE-0-2026-27211)

Vulnerability from cvelistv5 – Published: 2026-02-21 05:36 – Updated: 2026-02-25 21:17
VLAI
Title
Cloud Hypervisor: Host File Exfiltration via QCOW Backing File Abuse
Summary
Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration (constrained by process privileges) when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted QCOW2 structure pointing to a sensitive host path. Upon the next VM boot or disk scan, the image format auto-detection parses this header and serves the host file's contents to the guest. Guest-initiated VM reboots are sufficient to trigger a disk scan and do not cause the Cloud Hypervisor process to exit. Therefore, a single VM can perform this attack without needing interaction from the management stack. Successful exploitation requires the backing image to be either writable by the guest or sourced from an untrusted origin. Deployments utilizing only trusted, read-only images are not affected. This issue has been fixed in version 50.1. To workaround, enable land lock sandboxing and restrict process privileges and access.
Severity
9.1 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
cloud-hypervisor cloud-hypervisor Affected: >= 34.0, < 50.1
Create a notification for this product.
Show details on NVD website
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CVE-2026-27825 (GCVE-0-2026-27825)

Vulnerability from cvelistv5 – Published: 2026-03-10 18:53 – Updated: 2026-03-10 19:52
VLAI
Title
MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment
Summary
MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to version 0.17.0, the `confluence_download_attachment` MCP tool accepts a `download_path` parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the server process has write access to. Because the attacker controls both the write destination and the written content (via an uploaded Confluence attachment), this constitutes for arbitrary code execution (for example, writing a valid cron entry to `/etc/cron.d/` achieves code execution within one scheduler cycle with no server restart required). Version 0.17.0 fixes the issue.
Severity
9.1 (Critical)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
sooperset mcp-atlassian Affected: < 0.17.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-28286 (GCVE-0-2026-28286)

Vulnerability from cvelistv5 – Published: 2026-03-02 16:28 – Updated: 2026-03-03 15:51
VLAI
Title
ZimaOS: Unauthorized Creation of Files/Folders in Restricted System Directories via API
Summary
ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.5.2-beta3, the application enforces restrictions in the frontend/UI to prevent users from creating files or folders in internal OS paths. However, when interacting directly with the API, the restrictions are bypass-able. By sending a crafted request targeting paths like /etc, /usr, or other sensitive system directories, the API successfully creates files or directories in locations where normal users should have no write access. This indicates that the API does not properly validate the target path, allowing unauthorized operations on critical system directories. No known patch is publicly available.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
IceWhaleTech ZimaOS Affected: = 1.5.2-beta3
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-28442 (GCVE-0-2026-28442)

Vulnerability from cvelistv5 – Published: 2026-03-05 20:38 – Updated: 2026-03-06 16:32
VLAI
Title
ZimaOS: Arbitrary Deletion of Internal System Files via API Path Manipulation
Summary
ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.5.2-beta3, users are restricted from deleting internal system files or folders through the application interface. However, when interacting directly with the API, these restrictions can be bypassed. By altering the path parameter in the delete request, internal OS files and directories can be removed successfully. The backend processes these manipulated requests without validating whether the targeted path belongs to restricted system locations. This demonstrates improper input validation and broken access control on sensitive filesystem operations. No known public patch is available.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
IceWhaleTech ZimaOS Affected: = 1.5.2-beta3
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation

Phase: Architecture and Design

Description:

  • 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

Phases: Architecture and Design, Operation

Description:

  • 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

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 ID: MIT-5.1

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.
  • 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

Phase: Implementation

Description:

  • 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

Phases: Installation, Operation

Description:

  • Use OS-level permissions and run as a low-privileged user to limit the scope of any successful attack.
Mitigation

Phases: Operation, Implementation

Description:

  • 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

Phase: Testing

Description:

  • 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.

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