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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-2026-27748 (GCVE-0-2026-27748)
Vulnerability from cvelistv5 – Published: 2026-03-05 14:15 – Updated: 2026-04-01 14:37
VLAI
EPSS
VEX
Title
Avira Internet Security Arbitrary File Deletion via Improper Link Resolution
Summary
Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\\ProgramData without validating whether the path resolves through a symbolic link or reparse point. A local attacker can create a malicious link to redirect the delete operation to an arbitrary file, resulting in deletion of attacker-chosen files with SYSTEM privileges. This may lead to local privilege escalation, denial of service, or system integrity compromise depending on the targeted file and operating system configuration.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://support.avira.com/hc/en-us/articles/36001… | release-notes |
| https://www.avira.com/en/internet-security | product |
| https://www.gendigital.com/us/en/contact-us/secur… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Gen Digital Inc. | Avira Internet Security |
Affected:
0 , ≤ 1.1.109.1990
(semver)
Unaffected: 1.1.114.3113 (semver) |
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CVE-2026-27905 (GCVE-0-2026-27905)
Vulnerability from cvelistv5 – Published: 2026-03-03 22:45 – Updated: 2026-03-04 21:23
VLAI
EPSS
VEX
Title
BentoML has an Arbitrary File Write via Symlink Path Traversal in Tar Extraction
Summary
BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.36, the safe_extract_tarfile() function validates that each tar member's path is within the destination directory, but for symlink members it only validates the symlink's own path, not the symlink's target. An attacker can create a malicious bento/model tar file containing a symlink pointing outside the extraction directory, followed by a regular file that writes through the symlink, achieving arbitrary file write on the host filesystem. This vulnerability is fixed in 1.4.36.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
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/bentoml/BentoML/security/advis… | x_refsource_CONFIRM |
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CVE-2026-27967 (GCVE-0-2026-27967)
Vulnerability from cvelistv5 – Published: 2026-02-25 23:33 – Updated: 2026-02-28 04:55
VLAI
EPSS
VEX
Title
Symlink Escape in Agent File Tools
Summary
Zed, a code editor, has a symlink escape vulnerability in versions prior to 0.225.9 in Agent file tools (`read_file`, `edit_file`). It allows reading and writing files **outside the project directory** when a project contains symbolic links pointing to external paths. This bypasses the intended workspace boundary and privacy protections (`file_scan_exclusions`, `private_files`), potentially leaking sensitive user data to the LLM. Version 0.225.9 fixes the issue.
Severity
7.1 (High)
SSVC
Exploitation: poc
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://github.com/zed-industries/zed/security/ad… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zed-industries | zed |
Affected:
< 0.225.9
|
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CVE-2026-2808 (GCVE-0-2026-2808)
Vulnerability from cvelistv5 – Published: 2026-03-11 23:08 – Updated: 2026-04-17 17:57
VLAI
EPSS
VEX
Title
Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider
Summary
HashiCorp Consul and Consul Enterprise 1.18.20 up to 1.21.10 and 1.22.4 are vulnerable to arbitrary file read when configured with Kubernetes authentication. This vulnerability, CVE-2026-2808, is fixed in Consul 1.18.21, 1.21.11 and 1.22.5.
Severity
6.8 (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
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| HashiCorp | Consul |
Affected:
0 , < 1.22.5
(semver)
|
|
| HashiCorp | Consul Enterprise |
Affected:
0 , < 1.22.5
(semver)
|
Credits
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CVE-2026-28262 (GCVE-0-2026-28262)
Vulnerability from cvelistv5 – Published: 2026-06-09 08:41 – Updated: 2026-06-09 12:55
VLAI
EPSS
VEX
Summary
Dell iDRAC Tools, versions prior to 11.4.1.0, contains an Improper Link Resolution Before File Access ('Link Following') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information tampering.
Severity
6 (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.dell.com/support/kbdoc/en-us/00047486… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | iDRAC Tools |
Affected:
0 , < 11.4.1.0 or later
(semver)
|
Date Public
2026-06-08 06:30
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CVE-2026-28684 (GCVE-0-2026-28684)
Vulnerability from cvelistv5 – Published: 2026-04-20 16:25 – Updated: 2026-04-20 17:43
VLAI
EPSS
VEX
Title
python-dotenv: Symlink following in set_key allows arbitrary file overwrite via cross-device rename fallback
Summary
python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, `set_key()` and `unset_key()` in python-dotenv follow symbolic links when rewriting `.env` files, allowing a local attacker to overwrite arbitrary files via a crafted symlink when a cross-device rename fallback is triggered. Users should upgrade to v.1.2.2 or, as a workaround, apply the patch manually.
Severity
6.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/theskumar/python-dotenv/securi… | x_refsource_CONFIRM |
| https://github.com/theskumar/python-dotenv/commit… | x_refsource_MISC |
| https://github.com/theskumar/python-dotenv/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| theskumar | python-dotenv |
Affected:
< 1.2.2
|
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CVE-2026-28689 (GCVE-0-2026-28689)
Vulnerability from cvelistv5 – Published: 2026-03-09 21:39 – Updated: 2026-03-11 03:56
VLAI
EPSS
VEX
Title
ImageMagick has a Path Policy TOCTOU symlink race bypass
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, domain="path" authorization is checked before final file open/use. A symlink swap between check-time and use-time bypasses policy-denied read/write. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
>= 7.0.0, < 7.1.2-16
Affected: < 6.9.13-41 |
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CVE-2026-29786 (GCVE-0-2026-29786)
Vulnerability from cvelistv5 – Published: 2026-03-07 15:32 – Updated: 2026-06-30 12:07
VLAI
EPSS
VEX
Title
node-tar: Hardlink Path Traversal via Drive-Relative Linkpath
Summary
node-tar is a full-featured Tar for Node.js. Prior to version 7.5.10, tar can be tricked into creating a hardlink that points outside the extraction directory by using a drive-relative link target such as C:../target.txt, which enables file overwrite outside cwd during normal tar.x() extraction. This issue has been patched in version 7.5.10.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/isaacs/node-tar/security/advis… | x_refsource_CONFIRM |
| https://github.com/isaacs/node-tar/commit/7bc755d… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-29786 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2445476 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
22 products
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CVE-2026-31894 (GCVE-0-2026-31894)
Vulnerability from cvelistv5 – Published: 2026-03-11 19:05 – Updated: 2026-03-12 20:03
VLAI
EPSS
VEX
Title
WeGIA affected by arbitrary file read via symlink in backup restore
Summary
WeGIA is a web manager for charitable institutions. In 3.6.5, The patched loadBackupDB() extracts tar.gz archives to a temporary directory using PHP's PharData class, then uses glob() and file_get_contents() to read SQL files from the extracted contents. Neither the extraction nor the file reading validates whether archive members are symbolic links. This vulnerability is fixed in 3.6.6.
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/LabRedesCefetRJ/WeGIA/security… | x_refsource_CONFIRM |
| https://github.com/LabRedesCefetRJ/WeGIA/commit/7… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| LabRedesCefetRJ | WeGIA |
Affected:
>= 3.6.5, < 3.6.6
|
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CVE-2026-31979 (GCVE-0-2026-31979)
Vulnerability from cvelistv5 – Published: 2026-03-11 19:47 – Updated: 2026-03-11 20:07
VLAI
EPSS
VEX
Title
himmelblaud-tasks: local privilege escalation via /tmp symlink attack on Kerberos ccache
Summary
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Prior to 3.1.0 and 2.3.8, the himmelblaud-tasks daemon, running as root, writes Kerberos cache files under /tmp/krb5cc_<uid> without symlink protections. Since commit 87a51ee, PrivateTmp is explicitly removed from the tasks daemon's systemd hardening, exposing it to the host /tmp. A local user can exploit this via symlink attacks to chown or overwrite arbitrary files, achieving local privilege escalation. This vulnerability is fixed in 3.1.0 and 2.3.8.
Severity
8.8 (High)
SSVC
Exploitation: poc
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://github.com/himmelblau-idm/himmelblau/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| himmelblau-idm | himmelblau |
Affected:
>= 1.0.0, < 2.3.8
Affected: >= 3.0.0-alpha, < 3.1.0 |
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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.