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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-2026-42795 (GCVE-0-2026-42795)
Vulnerability from cvelistv5 – Published: 2026-06-02 13:41 – Updated: 2026-06-02 19:14
VLAI
EPSS
VEX
Title
Symlink Following in Hex Package Export Allows Embedding Files Outside Project Root
Summary
Symlink following vulnerability in Gleam's Hex package export allows files outside the project root to be embedded in the generated package tarball.
The file collection helpers (gleam_files, native_files, private_files) in compiler-cli/src/fs.rs use follow_links(true) when walking publishable directories such as src/ and priv/. The collected paths are added to the package archive via add_path_to_tar in compiler-cli/src/publish.rs without verifying that the resolved target remains within the project root. A symlink placed under a publishable directory will cause gleam export hex-tarball or gleam publish to embed the contents of the symlink target into the generated Hex package.
An attacker with write access to the project repository can place a symlink in src/ or priv/ pointing to an arbitrary file. When a maintainer or CI pipeline runs gleam publish or gleam export hex-tarball, local files readable by the publisher (such as secrets, tokens, or SSH keys) are silently embedded into the published package artifact.
This issue affects Gleam from 0.10.0-rc1 until 1.17.0.
Severity
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
4 references
| URL | Tags |
|---|---|
| https://github.com/gleam-lang/gleam/security/advi… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2026-42795.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-42795 | related |
| https://github.com/gleam-lang/gleam/commit/6435a5… | patch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Gleam | Gleam |
Affected:
0.10.0-rc1 , < 1.17.0
(semver)
cpe:2.3:a:gleam-lang:gleam:*:*:*:*:*:*:*:* |
|
| Gleam | Gleam |
Affected:
0.10.0-rc1 , < 1.17.0
(semver)
Affected: c82a2d83bd0c06cafdc196820deb3f89a9b3ff7c , < 6435a5528b9ae0449e2f32be579641ec485f6866 (git) cpe:2.3:a:gleam-lang:gleam:*:*:*:*:*:*:*:* |
|
| Gleam | Gleam |
Affected:
v0.10.0-rc1-elixir , < v1.17.0-elixir
(other)
Affected: v0.10.0-rc1-erlang , < v1.17.0-erlang (other) Affected: v0.10.0-rc1-node , < v1.17.0-node (other) Affected: v0.10.0-rc1-node-slim , < v1.17.0-node-slim (other) Affected: v0.10.0-rc1-elixir-slim , < v1.17.0-elixir-slim (other) Affected: v0.10.0-rc1-erlang-slim , < v1.17.0-erlang-slim (other) Affected: v0.10.0-rc1-erlang-alpine , < v1.17.0-erlang-alpine (other) Affected: v0.10.0-rc1-elixir-alpine , < v1.17.0-elixir-alpine (other) Affected: v0.10.0-rc1-node-alpine , < v1.17.0-node-alpine (other) Affected: v0.10.0-rc1-scratch , < v1.17.0-scratch (other) cpe:2.3:a:gleam-lang:gleam:*:*:*:*:*:*:*:* |
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CVE-2026-42834 (GCVE-0-2026-42834)
Vulnerability from cvelistv5 – Published: 2026-05-20 13:09 – Updated: 2026-06-19 16:13
VLAI
EPSS
VEX
Title
Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
Summary
Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
Severity
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://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows Admin Center in Azure Portal |
Affected:
1.0 , < 0.72.0.0.
(custom)
|
Date Public
2026-05-19 14:00
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CVE-2026-42989 (GCVE-0-2026-42989)
Vulnerability from cvelistv5 – Published: 2026-06-09 17:06 – Updated: 2026-07-08 23:24
VLAI
EPSS
VEX
Title
Winlogon Elevation of Privilege Vulnerability
Summary
Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.
Severity
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://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
20 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.9234
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.8880
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.7417
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.7417
(custom)
|
|
| Microsoft | Windows 11 version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7219
(custom)
|
|
| Microsoft | Windows 11 Version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7219
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.8655
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.8655
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2269
(custom)
|
|
| Microsoft | Windows Server 2012 |
Affected:
6.2.9200.0 , < 6.2.9200.26132
(custom)
|
|
| Microsoft | Windows Server 2012 (Server Core installation) |
Affected:
6.2.9200.0 , < 6.2.9200.26132
(custom)
|
|
| Microsoft | Windows Server 2012 R2 |
Affected:
6.3.9600.0 , < 6.3.9600.23228
(custom)
|
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) |
Affected:
6.3.9600.0 , < 6.3.9600.23228
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.9234
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.9234
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.8880
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.8880
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5256
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.32995
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.32995
(custom)
|
Date Public
2026-06-09 14:00
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CVE-2026-43619 (GCVE-0-2026-43619)
Vulnerability from cvelistv5 – Published: 2026-05-20 00:49 – Updated: 2026-07-14 20:01
VLAI
EPSS
VEX
Title
Rsync < 3.4.3 Symlink Race Condition via Path-Based Syscalls
Summary
Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported rsync module. Attackers with local filesystem access can exploit the timing window between path resolution and syscall execution by swapping symlinks to apply sender-supplied permissions, ownership, timestamps, or filenames to arbitrary files outside the intended module boundary on rsync daemons configured with 'use chroot = no'.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/RsyncProject/rsync/security/ad… | vendor-advisory |
| https://github.com/RsyncProject/rsync/releases/ta… | release-notes |
| https://www.vulncheck.com/advisories/rsync-symlin… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RsyncProject | rsync |
Affected:
0 , < 3.4.3
(semver)
|
Date Public
2026-05-19 00:00
Credits
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CVE-2026-43989 (GCVE-0-2026-43989)
Vulnerability from cvelistv5 – Published: 2026-05-12 16:21 – Updated: 2026-05-14 19:21
VLAI
EPSS
VEX
Title
JunoClaw: upload_wasm accepted arbitrary filesystem paths without validation
Summary
JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, the upload_wasm MCP tool accepted a filesystem path from the agent and uploaded whatever bytes the path resolved to, with no validation of location, symlink target, file size, or file format. This vulnerability is fixed in 0.x.y-security-1.
Severity
8.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Dragonmonk111/junoclaw/securit… | x_refsource_CONFIRM |
| https://github.com/Dragonmonk111/junoclaw/commit/… | x_refsource_MISC |
| https://github.com/Dragonmonk111/junoclaw/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dragonmonk111 | junoclaw |
Affected:
< v0.x.y-security-1
|
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CVE-2026-43998 (GCVE-0-2026-43998)
Vulnerability from cvelistv5 – Published: 2026-05-13 17:19 – Updated: 2026-07-15 00:55
VLAI
EPSS
VEX
Title
vm2: NodeVM require.root bypass via symlink traversal allows sandbox escape
Summary
vm2 is an open source vm/sandbox for Node.js. In 3.10.5, NodeVM's require.root path restriction can be bypassed using filesystem symlinks, allowing sandboxed code to load modules from outside the allowed root directory in host context. Because path validation uses path.resolve() (which does not dereference symlinks) but module loading uses Node's native require() (which does), an attacker can load arbitrary host-realm modules and achieve remote code execution. This vulnerability is fixed in 3.11.0.
Severity
8.5 (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
4 references
| URL | Tags |
|---|---|
| https://github.com/patriksimek/vm2/security/advis… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-43998 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2477206 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| patriksimek | vm2 |
Affected:
3.10.5
|
|
| Red Hat | Red Hat Developer Hub |
cpe:/a:redhat:rhdh:1 |
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2 |
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CVE-2026-44051 (GCVE-0-2026-44051)
Vulnerability from cvelistv5 – Published: 2026-05-21 07:34 – Updated: 2026-05-22 03:56
VLAI
EPSS
VEX
Title
Arbitrary file read via attacker-controlled symlink creation
Summary
An improper link resolution vulnerability in Netatalk 3.0.2 through 4.4.2 allows a remote authenticated attacker to read arbitrary files or overwrite arbitrary files via attacker-controlled symlink creation.
Severity
8.1 (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://netatalk.io/security/CVE-2026-44051 | vendor-advisory |
Impacted products
Date Public
2026-05-13 00:00
Credits
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CVE-2026-44220 (GCVE-0-2026-44220)
Vulnerability from cvelistv5 – Published: 2026-05-12 19:37 – Updated: 2026-05-13 15:37
VLAI
EPSS
VEX
Title
ciguard: discover_pipeline_files follows symlinks out of scan root
Summary
ciguard is a static security auditor for CI/CD pipelines. From 0.8.0 to 0.8.1 , the discover_pipeline_files() function in src/ciguard/discovery.py walks a directory tree following symlinks, with cycle protection via tracking visited resolved paths. An attacker who can plant a symlink in a directory the user (or AI agent) scans can cause discovery to walk into the symlink target and return paths to pipeline-shaped files outside the requested root. This vulnerability is fixed in 0.8.2.
Severity
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
1 reference
| URL | Tags |
|---|---|
| https://github.com/Jo-Jo98/ciguard/security/advis… | x_refsource_CONFIRM |
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CVE-2026-44269 (GCVE-0-2026-44269)
Vulnerability from cvelistv5 – Published: 2026-07-03 12:09 – Updated: 2026-07-07 17:01
VLAI
EPSS
VEX
Summary
Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an improper link resolution before file access ('link following') vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to unauthorized access.
Severity
4.4 (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/00048126… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | PowerProtect Data Domain |
Affected:
0 , < 8.7.0.0 or later
(semver)
Affected: 0 , < 8.6.1.20 or later (semver) Affected: 0 , < 8.3.1.40 or later (semver) Affected: 0 , < 7.13.1.80 or later (semver) |
Date Public
2026-07-02 06:30
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CVE-2026-44274 (GCVE-0-2026-44274)
Vulnerability from cvelistv5 – Published: 2026-06-22 18:47 – Updated: 2026-06-23 18:47
VLAI
EPSS
VEX
Summary
Dell Wyse Management Suite (WMS), versions prior to WMS 2605, contain an Improper Link Resolution Before File Access vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Unauthorized access.
Severity
7.8 (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.dell.com/support/kbdoc/en-us/00047200… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | Wyse Management Suite (WMS) |
Affected:
0 , < 2605
(semver)
|
Date Public
2026-06-16 18:45
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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.