Common Weakness Enumeration
CWE-59
AllowedImproper Link Resolution Before File Access ('Link Following')
Abstraction: Base · Status: Draft
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.
1984 vulnerabilities reference this CWE, most recent first.
CVE-2026-20161 (GCVE-0-2026-20161)
Vulnerability from cvelistv5 – Published: 2026-04-15 16:03 – Updated: 2026-04-15 16:56
VLAI
EPSS
VEX
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 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)
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
1 reference
Impacted products
1 product
| 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 |
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CVE-2026-15684 (GCVE-0-2026-15684)
Vulnerability from cvelistv5 – Published: 2026-07-13 21:30 – Updated: 2026-07-14 13:00
VLAI
EPSS
VEX
Title
Glarysoft Glary Utilities Link Following Local Privilege Escalation Vulnerability
Summary
Glarysoft Glary Utilities Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Glarysoft Glary Utilities. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the Disk Clean functionality. By creating a junction, an attacker can abuse the service to delete arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-27004.
Severity
7.3 (High)
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
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Glarysoft | Glary Utilities |
Affected:
6.24.0.28
|
Date Public
2026-07-13 21:30
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CVE-2026-15682 (GCVE-0-2026-15682)
Vulnerability from cvelistv5 – Published: 2026-07-13 21:31 – Updated: 2026-07-14 12:51
VLAI
EPSS
VEX
Title
AnyDesk Support Information Link Following Denial-of-Service Vulnerability
Summary
AnyDesk Support Information Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of AnyDesk. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the Send Support Information feature. By creating a junction, an attacker can abuse the service to create arbitrary files. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-26645.
Severity
4.7 (Medium)
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
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Date Public
2026-07-13 21:31
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CVE-2026-15681 (GCVE-0-2026-15681)
Vulnerability from cvelistv5 – Published: 2026-07-13 21:31 – Updated: 2026-07-14 12:48
VLAI
EPSS
VEX
Title
AnyDesk Screen Recording Link Following Denial-of-Service Vulnerability
Summary
AnyDesk Screen Recording Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of AnyDesk. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the handling of screen recording files. By creating a junction, an attacker can abuse the service to create arbitrary files. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-26591.
Severity
4.7 (Medium)
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
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Date Public
2026-07-13 21:31
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CVE-2026-15629 (GCVE-0-2026-15629)
Vulnerability from cvelistv5 – Published: 2026-07-14 03:30 – Updated: 2026-07-14 12:30
VLAI
EPSS
VEX
Title
louisho5 picobot Workspace filesystem.go GetSkill link following
Summary
A weakness has been identified in louisho5 picobot up to 0.2.0. Impacted is the function CreateSkill/GetSkill of the file internal/agent/tools/filesystem.go of the component Workspace Handler. Executing a manipulation can lead to link following. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-59 - Link Following
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/378131 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/378131/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15629 | third-party-advisory |
| https://vuldb.com/submit/855854 | third-party-advisory |
| https://github.com/louisho5/picobot/issues/40 | exploitissue-tracking |
| https://github.com/louisho5/picobot/ | product |
Impacted products
Credits
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CVE-2026-15621 (GCVE-0-2026-15621)
Vulnerability from cvelistv5 – Published: 2026-07-14 00:45 – Updated: 2026-07-14 12:41
VLAI
EPSS
VEX
Title
mosaxiv clawlet File Tools fs_ops.go edit_file link following
Summary
A vulnerability was detected in mosaxiv clawlet up to 0.2.10. This impacts the function read_file/write_file/edit_file of the file tools/fs_ops.go of the component File Tools. Performing a manipulation results in link following. The attack needs to be approached locally. The reported GitHub issue was closed with the label "not planned".
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-59 - Link Following
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/378124 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/378124/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15621 | third-party-advisory |
| https://vuldb.com/submit/855796 | third-party-advisory |
| https://github.com/mosaxiv/clawlet/issues/15 | issue-tracking |
| https://github.com/mosaxiv/clawlet/ | product |
Impacted products
Credits
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CVE-2026-15392 (GCVE-0-2026-15392)
Vulnerability from cvelistv5 – Published: 2026-07-14 15:34 – Updated: 2026-07-15 14:01
VLAI
EPSS
VEX
Title
DBD::File versions before 1.651 for Perl do not ensure the table file is not a symlink to an untrusted location
Summary
DBD::File versions before 1.651 for Perl do not ensure the table file is not a symlink to an untrusted location.
The complete_table_name method builds the absolute table file path without checking whether the file is a symbolic link. A link inside the data directory can point to a table file at any path outside of the configured f_dir and f_dir_search directories.
Callers of file-based drivers can read or write files outside of the data directory.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
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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
EPSS
VEX
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
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
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Black Lantern Security | BBOT |
Affected:
2.3.1 , ≤ 2.8.6
(custom)
|
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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
EPSS
VEX
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
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
2 references
| URL | Tags |
|---|---|
| https://github.com/aws/res/releases/tag/2026.06 | release-notes |
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
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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
EPSS
VEX
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)
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
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| HashiCorp | Nomad |
Affected:
0.4.1 , < 2.0.4
(semver)
|
|
| HashiCorp | Nomad Enterprise |
Affected:
0.4.1 , < 2.0.4
(semver)
|
Credits
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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.