Common Weakness Enumeration

CWE-59

Allowed

Improper Link Resolution Before File Access ('Link Following')

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

1987 vulnerabilities reference this CWE, most recent first.

CVE-2025-55317 (GCVE-0-2025-55317)

Vulnerability from cvelistv5 – Published: 2025-09-09 17:01 – Updated: 2026-02-26 17:48
VLAI
Title
Microsoft AutoUpdate (MAU) Elevation of Privilege Vulnerability
Summary
Improper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft AutoUpdate for Mac Affected: 4.0.0 , < 4.80 (custom)
Create a notification for this product.
Date Public
2025-09-09 07:00
Show details on NVD website
To clipboard 

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CVE-2025-55247 (GCVE-0-2025-55247)

Vulnerability from cvelistv5 – Published: 2025-10-14 17:00 – Updated: 2026-02-22 17:24
VLAI
Title
.NET Elevation of Privilege Vulnerability
Summary
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
Microsoft .NET 8.0 Affected: 8.0.0 , < 8.0.21 (custom)
Create a notification for this product.
Microsoft .NET 9.0 Affected: 9.0.0 , < 9.0.10 (custom)
Create a notification for this product.
Date Public
2025-10-14 14:00
Show details on NVD website
To clipboard 

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CVE-2025-55245 (GCVE-0-2025-55245)

Vulnerability from cvelistv5 – Published: 2025-09-09 17:01 – Updated: 2026-02-26 17:48
VLAI
Title
Xbox Gaming Services Elevation of Privilege Vulnerability
Summary
Improper link resolution before file access ('link following') in Xbox allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
Microsoft Xbox Gaming Services Affected: 19.0.0.0 , < 30.104.13001.0. (custom)
Create a notification for this product.
Date Public
2025-09-09 07:00
Show details on NVD website
To clipboard 

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CVE-2025-55188 (GCVE-0-2025-55188)

Vulnerability from cvelistv5 – Published: 2025-08-08 00:00 – Updated: 2025-11-04 22:06
VLAI
Summary
7-Zip before 25.01 does not always properly handle symbolic links during extraction.
Severity
3.6 (Low)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
7-Zip 7-Zip Affected: 0 , < 25.01 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-54798 (GCVE-0-2025-54798)

Vulnerability from cvelistv5 – Published: 2025-08-07 00:04 – Updated: 2025-11-03 20:06
VLAI
Title
tmp does not restrict arbitrary temporary file / directory write via symbolic link `dir` parameter
Summary
tmp is a temporary file and directory creator for node.js. In versions 0.2.3 and below, tmp is vulnerable to an arbitrary temporary file / directory write via symbolic link dir parameter. This is fixed in version 0.2.4.
Severity
2.5 (Low)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
raszi node-tmp Affected: < 0.2.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-53594 (GCVE-0-2025-53594)

Vulnerability from cvelistv5 – Published: 2026-01-02 15:18 – Updated: 2026-01-02 19:12
VLAI
Title
Qfinder Pro, Qsync, QVPN
Summary
A path traversal vulnerability has been reported to affect several product versions. If a local attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following versions: Qfinder Pro Mac 7.13.0 and later Qsync for Mac 5.1.5 and later QVPN Device Client for Mac 2.2.8 and later
Severity
4.4 (Medium)
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Credits
Michael Cowell
Show details on NVD website
To clipboard 

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CVE-2025-53109 (GCVE-0-2025-53109)

Vulnerability from cvelistv5 – Published: 2025-07-02 14:30 – Updated: 2025-07-02 14:50
VLAI
Title
Model Context Protocol Servers Vulnerable to Path Validation Bypass via Prefix Matching and Symlink Handling
Summary
Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP). Versions of Filesystem prior to 0.6.4 or 2025.7.01 could allow access to unintended files via symlinks within allowed directories. Users are advised to upgrade to 0.6.4 or 2025.7.01 resolve.
Severity
7.3 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
modelcontextprotocol servers Affected: < 0.6.4
Affected: < 2025.7.01
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-52936 (GCVE-0-2025-52936)

Vulnerability from cvelistv5 – Published: 2025-06-23 09:25 – Updated: 2025-11-03 20:06
VLAI
Title
Improper Link Resolution Before File Access vulnerability in yrutschle/sslh
Summary
Improper Link Resolution Before File Access ('Link Following') vulnerability in yrutschle sslh.This issue affects sslh: before 2.2.2.
Severity
9.3 (Critical)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/S:N/AU:Y/R:U/V:C/RE:M/U:Amber
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
yrutschle sslh Affected: 0 , < 2.2.2 (git)
Create a notification for this product.
Credits
TITAN Team (titancaproject@gmail.com)
Show details on NVD website
To clipboard 

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CVE-2025-49739 (GCVE-0-2025-49739)

Vulnerability from cvelistv5 – Published: 2025-07-08 16:58 – Updated: 2026-02-26 17:51
VLAI
Title
Visual Studio Elevation of Privilege Vulnerability
Summary
Improper link resolution before file access ('link following') in Visual Studio allows an unauthorized attacker to elevate privileges over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Date Public
2025-07-08 07:00
Show details on NVD website
To clipboard 

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CVE-2025-49738 (GCVE-0-2025-49738)

Vulnerability from cvelistv5 – Published: 2025-07-08 16:58 – Updated: 2026-02-26 17:51
VLAI
Title
Microsoft PC Manager Elevation of Privilege Vulnerability
Summary
Improper link resolution before file access ('link following') in Microsoft PC Manager allows an authorized attacker to elevate privileges locally.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft PC Manager Affected: 1.0.0 , < 3.17.4 (custom)
Create a notification for this product.
Date Public
2025-07-08 07:00
Show details on NVD website
To clipboard 

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Mitigation MIT-48.1
Architecture and Design

Strategy: Separation of Privilege

  • Follow the principle of least privilege when assigning access rights to entities in a software system.
  • Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.
CAPEC-132: Symlink Attack

An adversary positions a symbolic link in such a manner that the targeted user or application accesses the link's endpoint, assuming that it is accessing a file with the link's name.

CAPEC-17: Using Malicious Files

An attack of this type exploits a system's configuration that allows an adversary to either directly access an executable file, for example through shell access; or in a possible worst case allows an adversary to upload a file and then execute it. Web servers, ftp servers, and message oriented middleware systems which have many integration points are particularly vulnerable, because both the programmers and the administrators must be in synch regarding the interfaces and the correct privileges for each interface.

CAPEC-35: Leverage Executable Code in Non-Executable Files

An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.

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.

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