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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-2026-54230 (GCVE-0-2026-54230)
Vulnerability from cvelistv5 – Published: 2026-06-13 02:34 – Updated: 2026-06-15 19:26
VLAI
Title
Abrt: event handler scripts follow symlinks when writing output files, allowing arbitrary file overwrites
Summary
A symlink following vulnerability was found in the ABRT post-create event handler scripts in libreport. Event scripts write output files using shell redirections without the O_NOFOLLOW flag. If the target file is replaced with a symlink, the shell process running as root follows the symlink and writes content to the symlink target, allowing arbitrary file overwrites on the system.
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
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-54230 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2488568 | issue-trackingx_refsource_REDHAT |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
Date Public
2026-05-04 00:00
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CVE-2026-55443 (GCVE-0-2026-55443)
Vulnerability from cvelistv5 – Published: 2026-06-22 17:21 – Updated: 2026-06-22 19:52
VLAI
Title
LangChain: Path traversal and sandbox escape in LangChain file-search middleware and loaders
Summary
LangChain is a framework for building agents and LLM-powered applications. Prior to 1.3.9, several LangChain components that resolve filesystem paths or expand search patterns do not consistently confine the resolved path to the intended root directory. Affected behaviors include: a file-search agent middleware that validates a starting directory but not the search pattern or the resolved target of matched files, so glob patterns and symlinks can reach files outside the configured root; prompt- and chain/agent-configuration loaders that accept path fields and resolve them without confining the result to a trusted base or rejecting symlink targets; and path-prefix authorization checks that compare by string prefix without a path-segment boundary, so a sibling path sharing the prefix is accepted. When these components receive path values, search patterns, or workspace contents influenced by an untrusted source — including an LLM acting on untrusted input — the result can be disclosure of files outside the intended boundary. This vulnerability is fixed in 1.3.9.
Severity
5.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/langchain-ai/langchain/securit… | x_refsource_CONFIRM |
| https://github.com/langchain-ai/langchain/commit/… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| langchain-ai | langchain |
Affected:
< 1.3.9
|
|
| langchain-ai | langchain-anthropic |
Affected:
< 1.4.6
|
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CVE-2026-56236 (GCVE-0-2026-56236)
Vulnerability from cvelistv5 – Published: 2026-06-21 13:26 – Updated: 2026-06-22 18:12
VLAI
Title
Capgo CLI - Arbitrary File Overwrite via Symlink-Following in Local Credential Operations
Summary
Capgo CLI before 12.128.2 contains arbitrary file overwrite vulnerabilities in login and build credentials operations that follow symlinks without validation. Attackers can create malicious symlinks in repositories to overwrite arbitrary files or expose credentials with world-readable permissions when developers run the CLI.
Severity
6.1 (Medium)
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
2 references
| URL | Tags |
|---|---|
| https://github.com/Cap-go/capgo/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/capgo-cli-ar… | third-party-advisory |
Impacted products
Date Public
2026-03-17 00:00
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CVE-2026-56692 (GCVE-0-2026-56692)
Vulnerability from cvelistv5 – Published: 2026-06-23 15:34 – Updated: 2026-06-24 13:58 X_Open Source
VLAI
Title
NanoClaw < 2.1.17 - Arbitrary File Read via Symlink Following in forwardAttachedFiles
Summary
NanoClaw before 2.1.17 contains a symlink following vulnerability in forwardAttachedFiles that allows container-controlled agents to exfiltrate host-readable files. The host validates attachment filenames using only isSafeAttachmentName before copying with fs.copyFileSync, which follows symlinks without containment checks, allowing malicious agents to disclose arbitrary host files.
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
3 references
| URL | Tags |
|---|---|
| https://github.com/nanocoai/nanoclaw/pull/2468 | issue-tracking |
| https://github.com/nanocoai/nanoclaw/commit/28032… | patch |
| https://www.vulncheck.com/advisories/nanoclaw-arb… | third-party-advisory |
Impacted products
Date Public
2026-06-09 00:00
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CVE-2026-6891 (GCVE-0-2026-6891)
Vulnerability from cvelistv5 – Published: 2026-05-28 23:59 – Updated: 2026-05-29 18:29
VLAI
Summary
Improper handling of symbolic links in the installer of My Image Garden for macOS Version 3.6.8 or earlier may allow a local attacker with login privileges to exploit a specially crafted symbolic link during installation to modify permissions of files for which they would not normally have authorization.
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
4 references
| URL | Tags |
|---|---|
| https://psirt.canon/advisory-information/cp2026-004/ | vendor-advisory |
| https://canon.jp/support/support-info/260528-2vul… | vendor-advisory |
| https://www.usa.canon.com/support/canon-product-a… | vendor-advisory |
| https://www.canon-europe.com/support/product-security/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canon Inc. | My Image Garden for macOS |
Affected:
3.6.8 or earlier
|
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CVE-2026-6892 (GCVE-0-2026-6892)
Vulnerability from cvelistv5 – Published: 2026-05-29 00:00 – Updated: 2026-05-29 16:51
VLAI
Summary
Improper handling of symbolic links in the installer of CUPS Printer Driver for macOS(*) may allow a local attacker with login privileges to exploit a specially crafted symbolic link during installation to modify permissions of directories for which they would not normally have authorization.
*:Canon PIXUS iX6800 Series CUPS Printer Driver for macOS Version 16.91.0.0 or earlier (Japan)
Canon PIXMA MG2500 Series and iX6800 Series CUPS Printer Driver for macOS Version 16.91.0.0 or earlier (US and Europe)
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
4 references
| URL | Tags |
|---|---|
| https://psirt.canon/advisory-information/cp2026-004/ | vendor-advisory |
| https://canon.jp/support/support-info/260528-1vul… | vendor-advisory |
| https://www.usa.canon.com/support/canon-product-a… | vendor-advisory |
| https://www.canon-europe.com/support/product-security/ | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Canon Inc. | Canon PIXUS iX6800 Series CUPS Printer Driver for macOS |
Affected:
16.91.0.0 or earlier
|
|
| Canon Inc. | PIXMA MG2500 Series CUPS Printer Driver for macOS |
Affected:
16.91.0.0 or earlier
|
|
| Canon Inc. | PIXMA iX6800 Series CUPS Printer Driver for macOS |
Affected:
16.91.0.0 or earlier
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CVE-2026-6941 (GCVE-0-2026-6941)
Vulnerability from cvelistv5 – Published: 2026-04-23 20:39 – Updated: 2026-06-23 16:17
VLAI
Title
radare2 < 6.1.4 Project Notes Path Traversal via Symlink
Summary
radare2 prior to 6.1.4 contains a path traversal vulnerability in its project notes handling that allows attackers to read or write files outside the configured project directory by importing a malicious .zrp archive containing a symlinked notes.txt file. Attackers can craft a .zrp archive with a symlinked notes.txt that bypasses directory confinement checks, allowing note operations to follow the symlink and access arbitrary files outside the dir.projects root directory.
Severity
6.6 (Medium)
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
3 references
| URL | Tags |
|---|---|
| https://github.com/radareorg/radare2/pull/25831 | issue-tracking |
| https://github.com/radareorg/radare2/commit/4bcde… | patch |
| https://www.vulncheck.com/advisories/radare2-proj… | third-party-advisory |
Date Public
2026-04-23 21:00
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CVE-2026-6959 (GCVE-0-2026-6959)
Vulnerability from cvelistv5 – Published: 2026-05-12 18:59 – Updated: 2026-05-12 20:16
VLAI
Title
Nomad vulnerable to arbitrary file read/write on client host through symlink attack
Summary
HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11.
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
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| HashiCorp | Nomad |
Affected:
0.9.0 , < 2.0.1
(semver)
|
|
| HashiCorp | Nomad Enterprise |
Affected:
0.9.0 , < 2.0.1
(semver)
|
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CVE-2026-7374 (GCVE-0-2026-7374)
Vulnerability from cvelistv5 – Published: 2026-05-26 13:14 – Updated: 2026-06-15 18:55
VLAI
Title
Kubevirt: kubevirt virt-handler: privilege escalation and node compromise via symlink following vulnerability
Summary
A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster.
Severity
9.9 (Critical)
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
12 references
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Container Native Virtualization 4.12 |
Unaffected:
1779375376 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.12::el8 |
|
| Red Hat | Red Hat Container Native Virtualization 4.13 |
Unaffected:
1778999881 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.13::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.14 |
Unaffected:
1779321599 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.14::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.15 |
Unaffected:
1778859977 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.15::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.16 |
Unaffected:
1778861274 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.16::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.17 |
Unaffected:
1779174925 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.17::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.18 |
Unaffected:
1778887155 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.18::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.19 |
Unaffected:
1779289071 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.19::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.20 |
Unaffected:
1779288737 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.20::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.21 |
Unaffected:
1779420069 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.21::el9 |
Date Public
2026-05-26 12:30
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CVE-2026-7397 (GCVE-0-2026-7397)
Vulnerability from cvelistv5 – Published: 2026-04-29 18:00 – Updated: 2026-04-30 12:47 X_Open Source
VLAI
Title
NousResearch hermes-agent file_tools.py _check_sensitive_path symlink
Summary
A security flaw has been discovered in NousResearch hermes-agent 0.8.0. This affects the function _check_sensitive_path of the file tools/file_tools.py. The manipulation results in symlink following. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. Upgrading to version 0.9.0 is able to mitigate this issue. The patch is identified as 311dac197145e19e07df68feba2cd55d896a3cd1. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360121 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360121/cti | signaturepermissions-required |
| https://vuldb.com/submit/803270 | third-party-advisory |
| https://github.com/NousResearch/hermes-agent/issu… | exploitissue-tracking |
| https://github.com/NousResearch/hermes-agent/pull/8829 | issue-trackingpatch |
| https://github.com/NousResearch/hermes-agent/comm… | patch |
| https://github.com/NousResearch/hermes-agent/rele… | patch |
| https://github.com/NousResearch/hermes-agent/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NousResearch | hermes-agent |
Affected:
0.8.0
Unaffected: 0.9.0 |
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"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C",
"version": "3.1"
}
},
{
"cvssV3_0": {
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"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 3.2,
"vectorString": "AV:L/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:OF/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-61",
"description": "Symlink Following",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-59",
"description": "Link Following",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-29T18:00:21.731Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-360121 | NousResearch hermes-agent file_tools.py _check_sensitive_path symlink",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/360121"
},
{
"name": "VDB-360121 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/360121/cti"
},
{
"name": "Submit #803270 | NousResearch hermes-agent 0.8.0 Path Write Protection Bypass",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/803270"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/NousResearch/hermes-agent/issues/8734"
},
{
"tags": [
"issue-tracking",
"patch"
],
"url": "https://github.com/NousResearch/hermes-agent/pull/8829"
},
{
"tags": [
"patch"
],
"url": "https://github.com/NousResearch/hermes-agent/commit/311dac197145e19e07df68feba2cd55d896a3cd1"
},
{
"tags": [
"patch"
],
"url": "https://github.com/NousResearch/hermes-agent/releases/tag/v2026.4.13"
},
{
"tags": [
"product"
],
"url": "https://github.com/NousResearch/hermes-agent/"
}
],
"tags": [
"x_open-source"
],
"timeline": [
{
"lang": "en",
"time": "2026-04-29T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-04-29T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-04-29T12:49:26.000Z",
"value": "VulDB entry last update"
}
],
"title": "NousResearch hermes-agent file_tools.py _check_sensitive_path symlink"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-7397",
"datePublished": "2026-04-29T18:00:21.731Z",
"dateReserved": "2026-04-29T10:44:13.710Z",
"dateUpdated": "2026-04-30T12:47:09.658Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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.