Common Weakness Enumeration

CWE-59

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

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.

CVE-2026-11940 (GCVE-0-2026-11940)

Vulnerability from cvelistv5 – Published: 2026-06-23 16:04 – Updated: 2026-06-30 15:13
VLAI
Title
tarfile extraction filter bypass allows escaping the destination directory
Summary
tarfile.extractall() with the 'data' or 'tar' filter could be bypassed by a crafted archive where a hardlink references a symlink stored at a deeper name than the hardlink itself.  The extraction fallback validated the symlink at it's archived location but recreated it at the hardlink's shallower path, letting a relative target the filter judged contained escape the destination directory.  This allowed a malicious tar archive to create a symlink pointing outside the destination, enabling out-of-destination file reads or writes. This was an incomplete fix of CVE-2025-4330.
Severity
7.8 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
PSF
References
Impacted products
Vendor Product Version
Python Software Foundation CPython Affected: 0 , < 3.15.0 (python)
Create a notification for this product.
Credits
Haruki Oyama (https://github.com/harukioya) Stan Ulbrych (https://github.com/StanFromIreland) Petr Viktorin (https://github.com/encukou)
Show details on NVD website
To clipboard 

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CVE-2026-12567 (GCVE-0-2026-12567)

Vulnerability from cvelistv5 – Published: 2026-06-17 21:51 – Updated: 2026-06-18 12:50
VLAI
Title
Symlink-following arbitrary write via github_workflows module
Summary
The github_workflows module constructs local directory paths from user-controlled repository names without validating for symlinks. A local attacker sharing the scan directory can plant a symlink at the predictable output path, causing workflow data to be written to an attacker-chosen location.
Severity
2.2 (Low)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/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
Black Lantern Security BBOT Affected: 2.0.0 , ≤ <=2.8.4 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-14361 (GCVE-0-2026-14361)

Vulnerability from cvelistv5 – Published: 2026-07-08 20:11 – Updated: 2026-07-08 20:37
VLAI
Title
Consul-template is vulnerable to path redirection in writeToFile through symlink attack
Summary
The consul-template library before version 0.42.1 is vulnerable to a path redirection issue in the writeToFile template helper that may allow template output to be written outside the intended directory or to overwrite an existing file. This vulnerability (CVE-2026-14361) is fixed in consul-template 0.42.1.
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/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-59 - Improper Link Resolution Before File Access (Link Following)
Assigner
References
Impacted products
Vendor Product Version
HashiCorp Tooling Affected: 0.1.0 , < 0.42.1 (semver)
Create a notification for this product.
Credits
This issue was reported to HashiCorp by Mohamed Abdelaal (0xmrma).
Show details on NVD website
To clipboard 

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CVE-2026-14699 (GCVE-0-2026-14699)

Vulnerability from cvelistv5 – Published: 2026-07-05 03:15 – Updated: 2026-07-06 16:21
VLAI
Title
zcaceres markdownify-mcp Markdownify.ts assertPathAllowed symlink
Summary
A weakness has been identified in zcaceres markdownify-mcp up to 1.1.0. The affected element is the function assertPathAllowed of the file src/Markdownify.ts. Executing a manipulation can lead to symlink following. The attack can only be executed locally. The pull request to fix this issue awaits acceptance.
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
zcaceres markdownify-mcp Affected: 1.0
Affected: 1.1.0
    cpe:2.3:a:zcaceres:markdownify-mcp:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Dem000000 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-14891 (GCVE-0-2026-14891)

Vulnerability from cvelistv5 – Published: 2026-07-08 20:09 – Updated: 2026-07-09 03:55
VLAI
Title
Nomad vulnerable to sandbox escape in Docker task driver
Summary
HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This vulnerability, CVE-2026-14891, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.
Severity
8.7 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
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
HashiCorp Nomad Affected: 0.4.1 , < 2.0.4 (semver)
Create a notification for this product.
HashiCorp Nomad Enterprise Affected: 0.4.1 , < 2.0.4 (semver)
Create a notification for this product.
Credits
This issue was reported to HashiCorp by Volkan Kutal, GitHub handle @KutalVolkan.
Show details on NVD website
To clipboard 

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CVE-2026-14904 (GCVE-0-2026-14904)

Vulnerability from cvelistv5 – Published: 2026-07-07 16:37 – Updated: 2026-07-07 17:24
VLAI
Title
RES Auth.GetUserPrivateKey Arbitrary File Read
Summary
AWS Research and Engineering Studio (RES) is an open-source solution that enables researchers and engineers to create and manage secure virtual desktops and computing resources on AWS. Improper link resolution before file access issue (CWE-59) in the Auth.GetUserPrivateKey API. An authenticated remote user could read arbitrary files on the cluster-manager EC2 instance by replacing their SSH private key file (~/.ssh/id_rsa) with a symbolic link targeting any file on the host. Because the cluster-manager process runs as root, any file readable by root is exposed, including other users' SSH private keys and application configuration secrets. It's recommended to upgrade to RES version 2026.06.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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-59 - Improper link resolution before file access ('link following')
Assigner
References
Impacted products
Vendor Product Version
AWS res Affected: 0 , ≤ 2026.03 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-14966 (GCVE-0-2026-14966)

Vulnerability from cvelistv5 – Published: 2026-07-08 15:03 – Updated: 2026-07-08 15:57
VLAI
Title
Symlink guard bypass in unarchive module allows planting symlinks during extraction
Summary
BBOT's unarchive module rejects archives containing symlink entries before extraction, but for zip and 7z archives it failed to detect symlinks whose listing carries a DOS-attribute prefix before the unix mode, as produced by legacy versions of p7zip. Such an archive, downloaded and extracted during a scan (for example via filedownload), bypassed the guard and caused an attacker-controlled symlink to be written into the extraction directory. The effect is limited to planting the symlink (its target is not written through), and only hosts using such a legacy p7zip build are affected; current mainline 7-Zip is not.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/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
Black Lantern Security BBOT Affected: 2.3.1 , ≤ 2.8.6 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-20161 (GCVE-0-2026-20161)

Vulnerability from cvelistv5 – Published: 2026-04-15 16:03 – Updated: 2026-04-15 16:56
VLAI
Title
Cisco ThousandEyes Enterprise Agent Arbitrary File Overwrite Vulnerability
Summary
A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent could allow an authenticated, local attacker with low privileges to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are on the local file system&nbsp;of an affected device. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system. A successful exploit could allow the attacker to bypass file system permissions and overwrite arbitrary files on the affected device.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/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
Cisco Cisco ThousandEyes Enterprise Agent Affected: Agent 5.0
Affected: Agent 4.4.4
Affected: Agent 4.4.3
Affected: Agent 4.4.2
Affected: Agent 4.2
Affected: Agent 4.1
Affected: Agent 4.0
Affected: Agent 5.1
Affected: Agent 5.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-20941 (GCVE-0-2026-20941)

Vulnerability from cvelistv5 – Published: 2026-01-13 17:57 – Updated: 2026-04-01 13:49
VLAI
Title
Host Process for Windows Tasks Elevation of Privilege Vulnerability
Summary
Improper link resolution before file access ('link following') in Host Process for Windows Tasks 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 Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.7623 (custom)
Create a notification for this product.
Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.7623 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
Create a notification for this product.
Date Public
2026-01-13 16:00
Show details on NVD website
To clipboard 

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CVE-2026-21419 (GCVE-0-2026-21419)

Vulnerability from cvelistv5 – Published: 2026-02-09 17:01 – Updated: 2026-02-26 15:04
VLAI
Summary
Dell Display and Peripheral Manager (Windows) versions prior to 2.2 contain an Improper Link Resolution Before File Access ('Link Following') vulnerability in the Installer and Service. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges
Severity
6.6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
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
Dell Display and Peripheral Manager (Windows) Affected: N/A , < 2.2.0.18 (semver)
Create a notification for this product.
Date Public
2026-02-06 18:00
Credits
CVE-2026-21419: Dell Technologies would like to thank falconCorrup for reporting this issue.
Show details on NVD website
To clipboard 

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Mitigation ID: MIT-48.1

Phase: Architecture and Design

Strategy: Separation of Privilege

Description:

  • 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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