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Vulnerability Details :

CVE-2026-56692

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-23 Jun, 2026 | 15:34
Updated At-23 Jun, 2026 | 15:34
Rejected At-
Credits

NanoClaw < 2.1.17 - Arbitrary File Read via Symlink Following in forwardAttachedFiles

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:23 Jun, 2026 | 15:34
Updated At:23 Jun, 2026 | 15:34
Rejected At:
â–¼CVE Numbering Authority (CNA)
NanoClaw < 2.1.17 - Arbitrary File Read via Symlink Following in forwardAttachedFiles

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.

Affected Products
Vendor
nanocoai
Product
nanoclaw
Repo
https://github.com/nanocoai/nanoclaw
Default Status
unaffected
Versions
Affected
  • From 0 before 2.1.17 (semver)
Unaffected
  • 2.1.17 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-59Improper Link Resolution Before File Access ('Link Following')
Type: CWE
CWE ID: CWE-59
Description: Improper Link Resolution Before File Access ('Link Following')
Metrics
VersionBase scoreBase severityVector
4.06.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version: 4.0
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
Chia Min Jun Lennon
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/nanocoai/nanoclaw/pull/2468
issue-tracking
https://github.com/nanocoai/nanoclaw/commit/28032bc0eca76c91fb3d8be0013e8bcaf2f5aeae
patch
https://www.vulncheck.com/advisories/nanoclaw-arbitrary-file-read-via-symlink-following-in-forwardattachedfiles
third-party-advisory
Hyperlink: https://github.com/nanocoai/nanoclaw/pull/2468
Resource:
issue-tracking
Hyperlink: https://github.com/nanocoai/nanoclaw/commit/28032bc0eca76c91fb3d8be0013e8bcaf2f5aeae
Resource:
patch
Hyperlink: https://www.vulncheck.com/advisories/nanoclaw-arbitrary-file-read-via-symlink-following-in-forwardattachedfiles
Resource:
third-party-advisory
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:23 Jun, 2026 | 16:17
Updated At:23 Jun, 2026 | 17:58

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Type: Secondary
Version: 4.0
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-59Primarydisclosure@vulncheck.com
CWE ID: CWE-59
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/nanocoai/nanoclaw/commit/28032bc0eca76c91fb3d8be0013e8bcaf2f5aeaedisclosure@vulncheck.com
N/A
https://github.com/nanocoai/nanoclaw/pull/2468disclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/nanoclaw-arbitrary-file-read-via-symlink-following-in-forwardattachedfilesdisclosure@vulncheck.com
N/A
Hyperlink: https://github.com/nanocoai/nanoclaw/commit/28032bc0eca76c91fb3d8be0013e8bcaf2f5aeae
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/nanocoai/nanoclaw/pull/2468
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/nanoclaw-arbitrary-file-read-via-symlink-following-in-forwardattachedfiles
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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Known To Be Used In Ransomware Campaigns?-Not Available
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CWE ID-CWE-59
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CVE-2021-32549
Matching Score-4
Assigner-Canonical Ltd.
ShareView Details
Matching Score-4
Assigner-Canonical Ltd.
CVSS Score-7.3||HIGH
EPSS-0.29% / 20.44%
||
7 Day CHG~0.00%
Published-12 Jun, 2021 | 03:40
Updated-16 Sep, 2024 | 23:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
apport read_file() function could follow maliciously constructed symbolic links

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-13 package apport hooks, it could expose private data to other local users.

Action-Not Available
Vendor-Canonical Ltd.
Product-ubuntu_linuxapport
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CWE ID-CWE-61
UNIX Symbolic Link (Symlink) Following
CVE-2026-32024
Matching Score-4
Assigner-VulnCheck
ShareView Details
Matching Score-4
Assigner-VulnCheck
CVSS Score-6.8||MEDIUM
EPSS-0.33% / 24.29%
||
7 Day CHG~0.00%
Published-19 Mar, 2026 | 22:07
Updated-23 Jun, 2026 | 16:14
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
OpenClaw < 2026.2.22 - Symlink Traversal in Avatar Handling

OpenClaw versions prior to 2026.2.22 contain a symlink traversal vulnerability in avatar handling that allows attackers to read arbitrary files outside the configured workspace boundary. Remote attackers can exploit this by requesting avatar resources through gateway surfaces to disclose local files accessible to the OpenClaw process.

Action-Not Available
Vendor-OpenClaw
Product-openclawOpenClaw
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CVE-2020-36241
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-5.5||MEDIUM
EPSS-0.64% / 45.82%
||
7 Day CHG~0.00%
Published-05 Feb, 2021 | 07:11
Updated-04 Aug, 2024 | 17:23
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

autoar-extractor.c in GNOME gnome-autoar through 0.2.4, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it lacks a check of whether a file's parent is a symlink to a directory outside of the intended extraction location.

Action-Not Available
Vendor-n/aThe GNOME ProjectFedora Project
Product-gnome-autoarfedoran/a
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CWE ID-CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2025-46293
Matching Score-4
Assigner-Apple Inc.
ShareView Details
Matching Score-4
Assigner-Apple Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.14% / 3.72%
||
7 Day CHG~0.00%
Published-11 Jun, 2026 | 18:47
Updated-12 Jun, 2026 | 12:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.4. An app may be able to access protected user data.

Action-Not Available
Vendor-Apple Inc.
Product-macosmacOS
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CVE-2025-43461
Matching Score-4
Assigner-Apple Inc.
ShareView Details
Matching Score-4
Assigner-Apple Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.18% / 7.18%
||
7 Day CHG~0.00%
Published-12 Dec, 2025 | 20:56
Updated-02 Apr, 2026 | 18:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Tahoe 26.1. An app may be able to access protected user data.

Action-Not Available
Vendor-Apple Inc.
Product-macosmacOS
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CVE-2025-43379
Matching Score-4
Assigner-Apple Inc.
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Matching Score-4
Assigner-Apple Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.19% / 8.48%
||
7 Day CHG~0.00%
Published-04 Nov, 2025 | 01:17
Updated-02 Apr, 2026 | 19:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. An app may be able to access protected user data.

Action-Not Available
Vendor-Apple Inc.
Product-tvosvisionoswatchosmacosiphone_osipadosvisionOSmacOStvOSiOS and iPadOSwatchOS
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CVE-2019-17445
Matching Score-4
Assigner-MITRE Corporation
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Matching Score-4
Assigner-MITRE Corporation
CVSS Score-5.5||MEDIUM
EPSS-0.34% / 25.66%
||
7 Day CHG~0.00%
Published-22 Nov, 2019 | 17:18
Updated-05 Aug, 2024 | 01:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in Eracent EDA, EPA, EPM, EUA, FLW, and SUM Agent through 10.2.26. The agent executable, when installed for non-root operations (scanning), can be forced to copy files from the filesystem to other locations via Symbolic Link Following.

Action-Not Available
Vendor-eracentn/aLinux Kernel Organization, Inc
Product-eua_agentlinux_kerneleda_agentsum_agentepa_agentepm_agentflw_agentn/a
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CVE-2025-29837
Matching Score-4
Assigner-Microsoft Corporation
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Matching Score-4
Assigner-Microsoft Corporation
CVSS Score-5.5||MEDIUM
EPSS-0.51% / 39.49%
||
7 Day CHG-0.00%
Published-13 May, 2025 | 16:59
Updated-13 Feb, 2026 | 19:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Windows Installer Information Disclosure Vulnerability

Improper link resolution before file access ('link following') in Windows Installer allows an authorized attacker to disclose information locally.

Action-Not Available
Vendor-Microsoft Corporation
Product-windows_server_2012windows_server_2016windows_10_1507windows_10_22h2windows_11_23h2windows_11_22h2windows_10_1607windows_server_2019windows_server_2022_23h2windows_server_2025windows_11_24h2windows_server_2008windows_10_1809windows_server_2022windows_10_21h2Windows Server 2025Windows Server 2008 R2 Service Pack 1Windows 11 Version 23H2Windows Server 2012 (Server Core installation)Windows 10 Version 1809Windows Server 2008 Service Pack 2 (Server Core installation)Windows Server 2008 R2 Service Pack 1 (Server Core installation)Windows Server 2022, 23H2 Edition (Server Core installation)Windows 11 version 22H3Windows Server 2016 (Server Core installation)Windows 10 Version 22H2Windows Server 2019Windows Server 2022Windows 10 Version 1607Windows 11 Version 24H2Windows Server 2025 (Server Core installation)Windows Server 2019 (Server Core installation)Windows Server 2016Windows 11 version 22H2Windows Server 2012 R2Windows 10 Version 1507Windows 10 Version 21H2Windows Server 2008 Service Pack 2Windows Server 2012Windows Server 2012 R2 (Server Core installation)
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CVE-2021-32548
Matching Score-4
Assigner-Canonical Ltd.
ShareView Details
Matching Score-4
Assigner-Canonical Ltd.
CVSS Score-7.3||HIGH
EPSS-0.29% / 20.44%
||
7 Day CHG~0.00%
Published-12 Jun, 2021 | 03:40
Updated-16 Sep, 2024 | 18:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
apport read_file() function could follow maliciously constructed symbolic links

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-8 package apport hooks, it could expose private data to other local users.

Action-Not Available
Vendor-Canonical Ltd.
Product-ubuntu_linuxapport
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CWE ID-CWE-61
UNIX Symbolic Link (Symlink) Following
CVE-2021-32552
Matching Score-4
Assigner-Canonical Ltd.
ShareView Details
Matching Score-4
Assigner-Canonical Ltd.
CVSS Score-7.3||HIGH
EPSS-0.29% / 20.44%
||
7 Day CHG~0.00%
Published-12 Jun, 2021 | 03:40
Updated-17 Sep, 2024 | 02:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
apport read_file() function could follow maliciously constructed symbolic links

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-16 package apport hooks, it could expose private data to other local users.

Action-Not Available
Vendor-Canonical Ltd.
Product-ubuntu_linuxapport
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CWE ID-CWE-61
UNIX Symbolic Link (Symlink) Following
CVE-2021-32547
Matching Score-4
Assigner-Canonical Ltd.
ShareView Details
Matching Score-4
Assigner-Canonical Ltd.
CVSS Score-7.3||HIGH
EPSS-0.29% / 21.02%
||
7 Day CHG+0.01%
Published-12 Jun, 2021 | 03:40
Updated-17 Sep, 2024 | 03:18
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
apport read_file() function could follow maliciously constructed symbolic links

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-lts package apport hooks, it could expose private data to other local users.

Action-Not Available
Vendor-Canonical Ltd.
Product-ubuntu_linuxapport
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CWE ID-CWE-61
UNIX Symbolic Link (Symlink) Following
CVE-2021-32553
Matching Score-4
Assigner-Canonical Ltd.
ShareView Details
Matching Score-4
Assigner-Canonical Ltd.
CVSS Score-7.3||HIGH
EPSS-0.32% / 23.82%
||
7 Day CHG~0.00%
Published-12 Jun, 2021 | 03:40
Updated-16 Sep, 2024 | 22:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
apport read_file() function could follow maliciously constructed symbolic links

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-17 package apport hooks, it could expose private data to other local users.

Action-Not Available
Vendor-Oracle CorporationCanonical Ltd.
Product-ubuntu_linuxopenjdkapport
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CWE ID-CWE-61
UNIX Symbolic Link (Symlink) Following
CVE-2021-32551
Matching Score-4
Assigner-Canonical Ltd.
ShareView Details
Matching Score-4
Assigner-Canonical Ltd.
CVSS Score-7.3||HIGH
EPSS-0.29% / 20.44%
||
7 Day CHG~0.00%
Published-12 Jun, 2021 | 03:40
Updated-16 Sep, 2024 | 20:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
apport read_file() function could follow maliciously constructed symbolic links

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-15 package apport hooks, it could expose private data to other local users.

Action-Not Available
Vendor-Canonical Ltd.
Product-ubuntu_linuxapport
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CWE ID-CWE-61
UNIX Symbolic Link (Symlink) Following
CVE-2021-32555
Matching Score-4
Assigner-Canonical Ltd.
ShareView Details
Matching Score-4
Assigner-Canonical Ltd.
CVSS Score-7.3||HIGH
EPSS-0.29% / 20.44%
||
7 Day CHG~0.00%
Published-12 Jun, 2021 | 03:40
Updated-16 Sep, 2024 | 20:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
apport read_file() function could follow maliciously constructed symbolic links

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg-hwe-18.04 package apport hooks, it could expose private data to other local users.

Action-Not Available
Vendor-Canonical Ltd.
Product-ubuntu_linuxapport
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CWE ID-CWE-61
UNIX Symbolic Link (Symlink) Following
CVE-2023-32556
Matching Score-4
Assigner-Trend Micro, Inc.
ShareView Details
Matching Score-4
Assigner-Trend Micro, Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.29% / 20.15%
||
7 Day CHG~0.00%
Published-26 Jun, 2023 | 21:56
Updated-04 Dec, 2024 | 21:19
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A link following vulnerability in the Trend Micro Apex One and Apex One as a Service agent could allow a local attacker to disclose sensitive information. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Action-Not Available
Vendor-Microsoft CorporationTrend Micro Incorporated
Product-apex_onewindowsTrend Micro Apex One
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
Details not found