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CWE-61
UNIX Symbolic Link (Symlink) Following
The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files.
CVE-2026-14699 (GCVE-0-2026-14699)
Vulnerability from cvelistv5 – Published: 2026-07-05 03:15 – Updated: 2026-07-06 16:21
VLAI
EPSS
VEX
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
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376295 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376295/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14699 | third-party-advisory |
| https://vuldb.com/submit/846864 | third-party-advisory |
| https://github.com/zcaceres/markdownify-mcp/issues/108 | issue-tracking |
| https://github.com/zcaceres/markdownify-mcp/pull/109 | issue-trackingpatch |
| https://github.com/zcaceres/markdownify-mcp/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zcaceres | markdownify-mcp |
Affected:
1.0
Affected: 1.1.0 cpe:2.3:a:zcaceres:markdownify-mcp:*:*:*:*:*:*:*:* |
Credits
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CVE-2026-21916 (GCVE-0-2026-21916)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:28 – Updated: 2026-04-13 13:04
VLAI
EPSS
VEX
Title
Junos OS: A low privileged user can escalate their privileges so that they can login as root
Summary
A UNIX Symbolic Link (Symlink) Following vulnerability in the CLI of Juniper Networks Junos OS allows a local, authenticated attacker with low privileges to escalate their privileges to root which will lead to a complete compromise of the system.
When after a user has performed a specific 'file link ...' CLI operation, another user commits (unrelated configuration changes), the first user can login as root.
This issue affects Junos OS:
* all versions before 23.2R2-S7,
* 23.4 versions before 23.4R2-S6,
* 24.2 versions before 24.2R2-S3,
* 24.4 versions before 24.4R2-S2,
* 25.2 versions before 25.2R2.
This issue does not affect versions 25.4R1 or later.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA107807 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7
(semver)
Affected: 23.4 , < 23.4R2-S6 (semver) Affected: 24.2 , < 24.2R2-S3 (semver) Affected: 24.4 , < 24.4R2-S2 (semver) Affected: 25.2 , < 25.2R2 (semver) Unaffected: 25.4R1 |
Date Public
2026-04-08 16:00
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CVE-2026-22767 (GCVE-0-2026-22767)
Vulnerability from cvelistv5 – Published: 2026-04-01 12:07 – Updated: 2026-04-01 19:04
VLAI
EPSS
VEX
Summary
Dell AppSync, version(s) 4.6.0, contain(s) an UNIX Symbolic Link (Symlink) Following vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information tampering.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00044696… | vendor-advisory |
Impacted products
Date Public
2026-04-01 06:30
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CVE-2026-23968 (GCVE-0-2026-23968)
Vulnerability from cvelistv5 – Published: 2026-01-21 22:13 – Updated: 2026-01-22 16:49
VLAI
EPSS
VEX
Title
Copier safe template has arbitrary filesystem read access via symlinks when _preserve_symlinks: false
Summary
Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the `--UNSAFE,--trust` flag. As it turns out, a safe template can currently include arbitrary files/directories outside the local template clone location by using symlinks along with `_preserve_symlinks: false` (which is Copier's default setting). Version 9.11.2 patches the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/copier-org/copier/security/adv… | x_refsource_CONFIRM |
| https://github.com/copier-org/copier/commit/b3a7b… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| copier-org | copier |
Affected:
< 9.11.2
|
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CVE-2026-23986 (GCVE-0-2026-23986)
Vulnerability from cvelistv5 – Published: 2026-01-21 22:20 – Updated: 2026-01-22 16:49
VLAI
EPSS
VEX
Title
Copier safe template has arbitrary filesystem write access via directory symlinks when _preserve_symlinks: true
Summary
Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the `--UNSAFE,--trust` flag. As it turns out, a safe template can currently write to arbitrary directories outside the destination path by using directory a symlink along with `_preserve_symlinks: true` and a generated directory structure whose rendered path is inside the symlinked directory. This way, a malicious template author can create a template that overwrites arbitrary files (according to the user's write permissions), e.g., to cause havoc. Version 9.11.2 patches the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/copier-org/copier/security/adv… | x_refsource_CONFIRM |
| https://github.com/copier-org/copier/commit/b3a7b… | x_refsource_MISC |
| https://github.com/copier-org/copier/releases/tag… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| copier-org | copier |
Affected:
< 9.11.2
|
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CVE-2026-24018 (GCVE-0-2026-24018)
Vulnerability from cvelistv5 – Published: 2026-03-10 16:44 – Updated: 2026-03-11 13:08
VLAI
EPSS
VEX
Summary
A UNIX symbolic link (Symlink) following vulnerability in Fortinet FortiClientLinux 7.4.0 through 7.4.4, FortiClientLinux 7.2.2 through 7.2.12 may allow a local and unprivileged user to escalate their privileges to root.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-61 - Escalation of privilege
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fortinet | FortiClientLinux |
Affected:
7.4.0 , ≤ 7.4.4
(semver)
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CVE-2026-24047 (GCVE-0-2026-24047)
Vulnerability from cvelistv5 – Published: 2026-01-21 22:45 – Updated: 2026-01-22 16:49
VLAI
EPSS
VEX
Title
@backstage/cli-common has a possible `resolveSafeChildPath` Symlink Chain Bypass
Summary
Backstage is an open framework for building developer portals, and @backstage/cli-common provides config loading functionality used by the backend and command line interface of Backstage. Prior to version 0.1.17, the `resolveSafeChildPath` utility function in `@backstage/backend-plugin-api`, which is used to prevent path traversal attacks, failed to properly validate symlink chains and dangling symlinks. An attacker could bypass the path validation via symlink chains (creating `link1 → link2 → /outside` where intermediate symlinks eventually resolve outside the allowed directory) and dangling symlinks (creating symlinks pointing to non-existent paths outside the base directory, which would later be created during file operations). This function is used by Scaffolder actions and other backend components to ensure file operations stay within designated directories. This vulnerability is fixed in `@backstage/backend-plugin-api` version 0.1.17. Users should upgrade to this version or later. Some workarounds are available. Run Backstage in a containerized environment with limited filesystem access and/or restrict template creation to trusted users.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/backstage/backstage/security/a… | x_refsource_CONFIRM |
| https://github.com/backstage/backstage/commit/ae4… | x_refsource_MISC |
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CVE-2026-25724 (GCVE-0-2026-25724)
Vulnerability from cvelistv5 – Published: 2026-02-06 17:53 – Updated: 2026-03-27 21:11
VLAI
EPSS
VEX
Title
Claude Code Has Permission Deny Bypass Through Symbolic Links
Summary
Claude Code is an agentic coding tool. Prior to version 2.1.7, Claude Code failed to strictly enforce deny rules configured in settings.json when accessing files through symbolic links. If a user explicitly denied Claude Code access to a file (such as /etc/passwd) and Claude Code had access to a symbolic link pointing to that file, it was possible for Claude Code to read the restricted file through the symlink without triggering deny rule enforcement. This issue has been patched in version 2.1.7.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/anthropics/claude-code/securit… | x_refsource_CONFIRM |
| https://www.terra.security/blog/when-ai-becomes-t… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| anthropics | claude-code |
Affected:
< 2.1.7
|
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CVE-2026-27485 (GCVE-0-2026-27485)
Vulnerability from cvelistv5 – Published: 2026-02-21 09:27 – Updated: 2026-02-24 18:15
VLAI
EPSS
VEX
Title
OpenClaw affected by Stored XSS in Control UI via unsanitized assistant name/avatar in inline script injection
Summary
OpenClaw is a personal AI assistant. In versions 2026.2.17 and below, skills/skill-creator/scripts/package_skill.py (a local helper script used when authors package skills) previously followed symlinks while building .skill archives. If an author runs this script on a crafted local skill directory containing symlinks to files outside the skill root, the resulting archive can include unintended file contents. If exploited, this vulnerability can lead to potential unintentional disclosure of local files from the packaging machine into a generated .skill artifact, but requires local execution of the packaging script on attacker-controlled skill contents. This issue has been fixed in version 2026.2.18.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | x_refsource_CONFIRM |
| https://github.com/openclaw/openclaw/pull/20796 | x_refsource_MISC |
| https://github.com/openclaw/openclaw/commit/c2759… | x_refsource_MISC |
| https://github.com/openclaw/openclaw/commit/ee1d6… | x_refsource_MISC |
| https://github.com/openclaw/openclaw/releases/tag… | x_refsource_MISC |
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CVE-2026-27489 (GCVE-0-2026-27489)
Vulnerability from cvelistv5 – Published: 2026-04-01 17:33 – Updated: 2026-06-30 12:08
VLAI
EPSS
VEX
Title
ONNX: Path Traversal via Symlink
Summary
Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, a path traversal vulnerability via symlink allows to read arbitrary files outside model or user-provided directory. This issue has been patched in version 1.21.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/onnx/onnx/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/onnx/onnx/commit/4755f8053928d… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-27489 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2453929 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:24977 | vendor-advisoryx_refsource_REDHAT |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| onnx | onnx |
Affected:
< 1.21.0
|
|
| Red Hat | Red Hat OpenShift AI 2.25 |
cpe:/a:redhat:openshift_ai:2.25::el9 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
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Mitigation
Phase: Implementation
Description:
- Symbolic link attacks often occur when a program creates a tmp directory that stores files/links. Access to the directory should be restricted to the program as to prevent attackers from manipulating the files.
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-27: Leveraging Race Conditions via Symbolic Links
This attack leverages the use of symbolic links (Symlinks) in order to write to sensitive files. An attacker can create a Symlink link to a target file not otherwise accessible to them. When the privileged program tries to create a temporary file with the same name as the Symlink link, it will actually write to the target file pointed to by the attackers' Symlink link. If the attacker can insert malicious content in the temporary file they will be writing to the sensitive file by using the Symlink. The race occurs because the system checks if the temporary file exists, then creates the file. The attacker would typically create the Symlink during the interval between the check and the creation of the temporary file.