Common Weakness Enumeration

CWE-276

Weakness Allowed

Incorrect Default Permissions

Abstraction: Base · Status: Draft

During installation, installed file permissions are set to allow anyone to modify those files.

Mapping guidance

This CWE entry is at the Base level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.

Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.

Relationships and members
ChildOf: CWE-732 · View CWE-1000
ChildOf: CWE-732 · View CWE-1003
Modes of introduction
Architecture and Design
Implementation
Installation Operation
Detection methods

Automated Static Analysis - Binary or Bytecode

According to SOAR [REF-1479], the following detection techniques may be useful:

Cost effective for partial coverage:

Inter-application Flow Analysis

Effectiveness: SOAR Partial

Manual Static Analysis - Binary or Bytecode

According to SOAR [REF-1479], the following detection techniques may be useful:

Cost effective for partial coverage:

Binary / Bytecode disassembler - then use manual analysis for vulnerabilities & anomalies

Effectiveness: SOAR Partial

Dynamic Analysis with Automated Results Interpretation

According to SOAR [REF-1479], the following detection techniques may be useful:

Cost effective for partial coverage:

Host-based Vulnerability Scanners - Examine configuration for flaws, verifying that audit mechanisms work, ensure host configuration meets certain predefined criteria

Web Application Scanner

Web Services Scanner

Database Scanners

Effectiveness: SOAR Partial

Dynamic Analysis with Manual Results Interpretation

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Host Application Interface Scanner

Cost effective for partial coverage:

Fuzz Tester

Framework-based Fuzzer

Automated Monitored Execution

Forced Path Execution

Effectiveness: High

Manual Static Analysis - Source Code

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Manual Source Code Review (not inspections)

Cost effective for partial coverage:

Focused Manual Spotcheck - Focused manual analysis of source

Effectiveness: High

Automated Static Analysis - Source Code

According to SOAR [REF-1479], the following detection techniques may be useful:

Cost effective for partial coverage:

Context-configured Source Code Weakness Analyzer

Effectiveness: SOAR Partial

Automated Static Analysis

According to SOAR [REF-1479], the following detection techniques may be useful:

Cost effective for partial coverage:

Configuration Checker

Effectiveness: SOAR Partial

Architecture or Design Review

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Formal Methods / Correct-By-Construction

Cost effective for partial coverage:

Inspection (IEEE 1028 standard) (can apply to requirements, design, source code, etc.)

Effectiveness: High

Notes

Maintenance

As of CWE 4.19, this entry is being considered for deprecation or significant revision. Its name and description are inconsistent. The name is more general, and the description is more specific. The description emphasizes the installation phase only; mentions only files; and emphasizes modification of those files. The name applies to any type of resource, does not mention the specific permissions, and could be relevant to any SDLC phase.

Content history
Submission: PLOVER · 2006-07-19 · CWE Draft 3
Contribution: "Mapping CWE to 62443" Sub-Working Group · CWE-CAPEC ICS/OT SIG · 2023-04-25 · CWE 4.11

Suggested mappings to ISA/IEC 62443.

Contribution: Abhi Balakrishnan · 2024-09-29 · CWE 4.19

Contributed usability diagram concepts used by the CWE team

Modification: Eric Dalci · Cigital · 2008-07-01 · CWE 1.0

updated Time_of_Introduction

Modification: CWE Content Team · MITRE · 2008-09-08 · CWE 1.0

updated Relationships, Taxonomy_Mappings, Weakness_Ordinalities

Modification: CWE Content Team · MITRE · 2008-11-24 · CWE 1.1

updated Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2009-05-27 · CWE 1.4

updated Description, Name

Modification: CWE Content Team · MITRE · 2011-06-01 · CWE 1.13

updated Common_Consequences, Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2011-09-13 · CWE 2.1

updated Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2012-05-11 · CWE 2.2

updated References, Related_Attack_Patterns, Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2012-10-30 · CWE 2.3

updated Potential_Mitigations

Modification: CWE Content Team · MITRE · 2014-07-30 · CWE 2.8

updated Detection_Factors, Relationships

Modification: CWE Content Team · MITRE · 2017-05-03 · CWE 2.11

updated Related_Attack_Patterns

Modification: CWE Content Team · MITRE · 2017-11-08 · CWE 3.0

updated Applicable_Platforms, Causal_Nature, Modes_of_Introduction, Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2019-01-03 · CWE 3.2

updated Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2019-06-20 · CWE 3.3

updated Relationships, Type

Modification: CWE Content Team · MITRE · 2020-02-24 · CWE 4.0

updated Applicable_Platforms, Description, Detection_Factors, Relationships

Modification: CWE Content Team · MITRE · 2020-08-20 · CWE 4.2

updated Description, Modes_of_Introduction, Potential_Mitigations

Modification: CWE Content Team · MITRE · 2020-12-10 · CWE 4.3

updated Potential_Mitigations

Modification: CWE Content Team · MITRE · 2021-07-20 · CWE 4.5

updated Relationships

Modification: CWE Content Team · MITRE · 2021-10-28 · CWE 4.6

updated Relationships

Modification: CWE Content Team · MITRE · 2022-04-28 · CWE 4.7

updated Relationships

Modification: CWE Content Team · MITRE · 2022-06-28 · CWE 4.8

updated Relationships

Modification: CWE Content Team · MITRE · 2023-01-31 · CWE 4.10

updated Applicable_Platforms

Modification: CWE Content Team · MITRE · 2023-04-27 · CWE 4.11

updated Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2023-06-29 · CWE 4.12

updated Mapping_Notes, Relationships

Modification: CWE Content Team · MITRE · 2025-09-09 · CWE 4.18

updated Detection_Factors, References

Modification: CWE Content Team · MITRE · 2025-12-11 · CWE 4.19

updated Diagram, Maintenance_Notes, Relationships

Modification: CWE Content Team · MITRE · 2026-01-21 · CWE 4.19.1

updated Relationships

Modification: CWE Content Team · MITRE · 2026-10-28 · CWE 5.0

updated Time_of_Introduction

2155 vulnerabilities reference this CWE, most recent first.

CVE-2026-123505 (GCVE-0-2026-123505)

Vulnerability from cvelistv5 – Published: 2026-11-08 01:37 – Updated: 2026-11-08 01:37
VLAI
Title
Vikunja before 2.7.1 World-Readable Local File Storage and SQLite Database
Summary
Vikunja before 2.7.1 contains an insecure file permissions vulnerability that allows local users to read stored data because localStorage.Write creates blobs world-readable. Local attackers on a shared host can read attachments, project backgrounds and exports, and copy the SQLite database to crack password hashes offline.
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 7771 records in the last 180 days details
References
Impacted products
Vendor Product Version
go-vikunja vikunja Affected: 0 , < 2.7.1 (semver)
Unaffected: 2.7.1 (semver)
    cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-22 00:00
Show details on NVD website

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CVE-2026-123500 (GCVE-0-2026-123500)

Vulnerability from cvelistv5 – Published: 2026-11-08 01:37 – Updated: 2026-11-08 01:37
VLAI
Title
Vikunja before 2.7.1 Insecure Permissions on Dump Archive via vikunja dump
Summary
Vikunja before 2.7.1 contains an insecure file permissions vulnerability that allows local users to read dump archives created with umask permissions by the vikunja dump command. Local attackers on a shared host can read the world-readable zip in the rootpath to obtain config, password hashes, TOTP secrets, tokens, and stored files.
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 7771 records in the last 180 days details
References
Impacted products
Vendor Product Version
go-vikunja vikunja Affected: 0 , < 2.7.1 (semver)
Unaffected: 2.7.1 (semver)
    cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-22 00:00
Show details on NVD website

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CVE-2026-121267 (GCVE-0-2026-121267)

Vulnerability from cvelistv5 – Published: 2026-11-10 12:04 – Updated: 2026-11-10 12:04
VLAI
Title
Incorrect Default Permissions Vulnerability in TÜBİTAK BİLGEM's eta-remote
Summary
Incorrect default permissions vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute eta-remote allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects eta-remote: from 0.0.2 before 0.0.3.
CWE
  • CWE-276 - Incorrect default permissions
Assigner
TR-CERT CNA under the mitre root
CNA scorecard C 75/100 over 273 records in the last 180 days details
References
Impacted products
Date Public
2026-11-10 12:00
Show details on NVD website

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CVE-2026-115253 (GCVE-0-2026-115253)

Vulnerability from cvelistv5 – Published: 2026-10-22 08:39 – Updated: 2026-10-23 03:55
VLAI
Title
WatchGuard Agent Incorrect Permission Assignment in Log Directory Allows Local Log Tampering
Summary
An incorrect permission assignment vulnerability in the WatchGuard Agent's log directory allows a local, authenticated non-administrative user to create, modify, append to, or delete the agent's log files and write other files into the directory. This allows an attacker to tamper with or destroy the agent's security logs and stage further local attacks by placing executable content in a directory owned by a privileged service.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-22 00:00 UTC
Assigner
WatchGuard CNA under the mitre root
CNA scorecard A 91/100 over 92 records in the last 180 days details
References
Impacted products
Vendor Product Version
WatchGuard WatchGuard Agent Affected: 0 , < 1.25.14.0000 (semver)
    cpe:2.3:a:watchguard:watchguard_agent:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-114148 (GCVE-0-2026-114148)

Vulnerability from cvelistv5 – Published: 2026-10-29 15:21 – Updated: 2026-10-31 18:13
VLAI
Title
ASP.NET Core Elevation of Privilege Vulnerability
Summary
Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 13:38 UTC
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3838 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft .NET 10.0 installed on Linux Affected: 10.0.0 , < 10.0.403 (custom)
Create a notification for this product.
Microsoft .NET 10.0 installed on Mac OS Affected: 10.0.0 , < 10.0.403 (custom)
Create a notification for this product.
Microsoft .NET 10.0 installed on Windows Affected: 10.0.0 , < 10.0.403 (custom)
Create a notification for this product.
Microsoft .NET 11.0 installed on Linux Affected: 11.0.0-preview.1 , < 11.0.100-rc.3 (custom)
Create a notification for this product.
Microsoft .NET 11.0 installed on Mac OS Affected: 11.0.0-preview.1 , < 11.0.100-rc.3 (custom)
Create a notification for this product.
Microsoft .NET 11.0 installed on Windows Affected: 11.0.0-preview.1 , < 11.0.100-rc.3 (custom)
Create a notification for this product.
Microsoft .NET 8.0 installed on Linux Affected: 8.0.0 , < 8.0.427 (custom)
Create a notification for this product.
Microsoft .NET 8.0 installed on Mac OS Affected: 8.0.0 , < 8.0.427 (custom)
Create a notification for this product.
Microsoft .NET 8.0 installed on Windows Affected: 8.0.0 , < 8.0.427 (custom)
Create a notification for this product.
Microsoft .NET 9.0 installed on Linux Affected: 9.0.0 , < 9.0.320 (custom)
Create a notification for this product.
Microsoft .NET 9.0 installed on Mac OS Affected: 9.0.0 , < 9.0.320 (custom)
Create a notification for this product.
Microsoft .NET 9.0 installed on Windows Affected: 9.0.0 , < 9.0.320 (custom)
Create a notification for this product.
Microsoft .NET source-build Linux tarballs (all archive types) Affected: 8.0.100 , < 10.0.403-servicing.26523.112 (custom)
Create a notification for this product.
Microsoft ASP.NET Core runtime and targeting-pack Linux tarballs (Microsoft-published) Affected: 8.0.0 , < 9.0.22 (custom)
Create a notification for this product.
Date Public
2026-10-25 14:00
Show details on NVD website

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CVE-2026-113362 (GCVE-0-2026-113362)

Vulnerability from cvelistv5 – Published: 2026-11-09 04:10 – Updated: 2026-11-09 04:10
VLAI
Summary
Improper Access Control in the program installation folder in NEC Corporation WebSAM Winshare Ver 7.5.0 and earlier (excluding Ver 7.3.3), Ver 7.6.0 and Ver 7.7.0 through 7.7.1 on Windows allows a locally authenticated low-privileged attacker to execute arbitrary code with SYSTEM privileges via a crafted DLL file that is loaded by a SYSTEM-level process.
CWE
  • CWE-276 - Incorrect default permissions in the Prob
Assigner
NEC CNA under the jpcert root
CNA scorecard – unranked: 7 records in the last 180 days, 10 needed details
Impacted products
Vendor Product Version
NEC Corporation WebSAM WinShare Affected: Ver 7.5.0 and earlier (excluding Ver 7.3.3), Ver 7.6.0 and Ver 7.7.0 through 7.7.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-113345 (GCVE-0-2026-113345)

Vulnerability from cvelistv5 – Published: 2026-10-26 04:43 – Updated: 2026-10-26 14:35
VLAI
Summary
Electronic delivery item Inspection Support System provided by Japan's Ministry of Land, Infrastructure, Transport and Tourism contains an improper file access permission vulnerability. Files in the installation folder of the application may be tampered with, resulting in arbitrary code execution.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 13:30 UTC
CWE
  • CWE-276 - Incorrect default permissions
Assigner
jpcert CNA under the jpcert root
CNA scorecard C 64/100 over 185 records in the last 180 days details
Show details on NVD website

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CVE-2026-112357 (GCVE-0-2026-112357)

Vulnerability from cvelistv5 – Published: 2026-10-28 15:32 – Updated: 2026-11-05 16:44
VLAI
Title
GFI KerioConnect KOFF < 10.0.9p2 Privilege Escalation
Summary
GFI KerioConnect (Kerio Connect) Outlook Connector (Offline Edition), 'KOFF', before 10.0.9 Patch 2 contains a local privilege escalation vulnerability caused by weak installer permissions that leave the product directory writable by the built-in Users group. A local non-administrative attacker can replace the searchd.exe service binary used by the bundled KOFFIndexingService, which runs as LocalSystem, to execute arbitrary code with NT AUTHORITY\SYSTEM privileges upon the next service start or reboot.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 16:43 UTC
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 7771 records in the last 180 days details
References
Impacted products
Vendor Product Version
GFI USA, LLC GFI KerioConnect Affected: 0 , < 10.0.9p2 (custom)
Create a notification for this product.
Date Public
2026-06-29 00:00
Show details on NVD website

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CVE-2026-110359 (GCVE-0-2026-110359)

Vulnerability from cvelistv5 – Published: 2026-10-14 00:15 – Updated: 2026-10-14 14:55
VLAI
Summary
Hyland Desktop Host for Windows before 25.1.1 is vulnerable to local privilege escalation. This is caused by a privileged service running from the %PROGRAMDATA%\Hyland\DesktopHost\bin folder with weak permissions. A local user can exploit this to escalate privileges.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 14:55 UTC
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2166 records in the last 180 days details
Impacted products
Vendor Product Version
Hyland Desktop Host Affected: 0 , < 25.1.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-108503 (GCVE-0-2026-108503)

Vulnerability from cvelistv5 – Published: 2026-10-10 06:52 – Updated: 2026-10-11 17:05
VLAI
Title
Unauthorized information acquisition vulnerability in ZTE Z80 Ultra product
Summary
ZTE Z80 Ultra has an interface permission validation vulnerability. The callable functions provided by the system lack sufficient access control. An attacker can leverage these functions to read relevant information.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-11 16:52 UTC
CWE
  • CWE-276 - Incorrect default permissions
Assigner
zte CNA under the mitre root
CNA scorecard C 69/100 over 30 records in the last 180 days details
Impacted products
Vendor Product Version
ZTE Z80 Ultra Affected: GEN_ZTE_PQ85A01V1.0.0B27 and prior released versions
Create a notification for this product.
Credits
Show details on NVD website

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Mitigation MIT-1
Architecture and Design Operation

The architecture needs to access and modification attributes for files to only those users who actually require those actions.

Mitigation MIT-46
Architecture and Design

Strategy: Separation of Privilege

  • Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs

In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.

CAPEC-127: Directory Indexing

An adversary crafts a request to a target that results in the target listing/indexing the content of a directory as output. One common method of triggering directory contents as output is to construct a request containing a path that terminates in a directory name rather than a file name since many applications are configured to provide a list of the directory's contents when such a request is received. An adversary can use this to explore the directory tree on a target as well as learn the names of files. This can often end up revealing test files, backup files, temporary files, hidden files, configuration files, user accounts, script contents, as well as naming conventions, all of which can be used by an attacker to mount additional attacks.

CAPEC-81: Web Server Logs Tampering

Web Logs Tampering attacks involve an attacker injecting, deleting or otherwise tampering with the contents of web logs typically for the purposes of masking other malicious behavior. Additionally, writing malicious data to log files may target jobs, filters, reports, and other agents that process the logs in an asynchronous attack pattern. This pattern of attack is similar to "Log Injection-Tampering-Forging" except that in this case, the attack is targeting the logs of the web server and not the application.