Common Weakness Enumeration

CWE-378

Allowed

Creation of Temporary File With Insecure Permissions

Abstraction: Base · Status: Draft

API response cwe.mitre.org

Opening temporary files without appropriate measures or controls can leave the file, its contents and any function that it impacts vulnerable to attack.

89 vulnerabilities reference this CWE, most recent first.

CVE-2026-97026 (GCVE-0-2026-97026)

Vulnerability from cvelistv5 – Published: 2026-09-28 20:57 – Updated: 2026-09-30 20:11
VLAI
Title
Flatpak: flatpak: world-writable temporary child repositories in system-helper cache path
Summary
Flatpak creates temporary child repository directories under the user cache with world-writable permissions (0777). On multi-user systems with a permissive umask, other local users could read or modify the temporary directory used while installing apps or runtimes, potentially causing installation failures (denial of service); tampered content would fail signature/digest verification rather than being trusted.
Severity
3.9 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:42 UTC
CWE
  • CWE-378 - Creation of Temporary File With Insecure Permissions
Assigner
References
Impacted products
Date Public
2026-09-28 13:28
Credits
Red Hat would like to thank AISLE for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-97025 (GCVE-0-2026-97025)

Vulnerability from cvelistv5 – Published: 2026-09-28 20:57 – Updated: 2026-09-29 15:59
VLAI
Title
Flatpak: flatpak: world-readable oci authentication token in system-helper cache path
Summary
Flatpak writes the OCI repository authentication token with world-readable permissions (0644) in the system-helper's cache directory, allowing other local users on a multi-user system to read the token and impersonate the authenticated user against the OCI repository. Only OCI-based sources (e.g. as used by Fedora) are affected; libostree-based sources such as Flathub are not.
Severity
3.2 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 15:59 UTC
CWE
  • CWE-378 - Creation of Temporary File With Insecure Permissions
Assigner
References
Impacted products
Date Public
2026-09-28 13:29
Credits
Red Hat would like to thank AISLE for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-46388 (GCVE-0-2026-46388)

Vulnerability from cvelistv5 – Published: 2026-07-10 14:44 – Updated: 2026-07-10 19:03
VLAI
Title
osquery: Unprivileged users can temporarily read file carve contents
Summary
osquery is a SQL powered operating system instrumentation, monitoring, and analytics framework. Prior to 5.23.1, an unprivileged attacker can read the contents of an osquery file carve until the carve completes and the temporary files are deleted because in-progress carve directories are not created with private permissions. If the carve targets a directory that the attacker controls, arbitrary file reads are possible, such as sensitive local files. This issue is fixed in version 5.23.1.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-10 19:03 UTC
CWE
  • CWE-279 - Incorrect Execution-Assigned Permissions
  • CWE-378 - Creation of Temporary File With Insecure Permissions
  • CWE-379 - Creation of Temporary File in Directory with Insecure Permissions
Assigner
References
Impacted products
Vendor Product Version
osquery osquery Affected: < 5.23.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-33572 (GCVE-0-2026-33572)

Vulnerability from cvelistv5 – Published: 2026-03-29 12:44 – Updated: 2026-06-23 16:15
VLAI
Title
OpenClaw < 2026.2.17 - Insufficient File Permissions in Session Transcript Files
Summary
OpenClaw before 2026.2.17 creates session transcript JSONL files with overly broad default permissions, allowing local users to read transcript contents. Attackers with local access can read transcript files to extract sensitive information including secrets from tool output.
Severity
6.8 (Medium)
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
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-01 15:33 UTC
CWE
  • CWE-378 - Creation of Temporary File With Insecure Permissions
Assigner
References
Impacted products
Vendor Product Version
OpenClaw OpenClaw Affected: 0 , < 2026.2.17 (semver)
Unaffected: 2026.2.17 (semver)
    cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Create a notification for this product.
Date Public
2026-03-14 00:00
Credits
花生可 (@hsongkai11)
Show details on NVD website
To clipboard 

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CVE-2026-25265 (GCVE-0-2026-25265)

Vulnerability from cvelistv5 – Published: 2026-09-22 09:45 – Updated: 2026-09-22 10:15
VLAI
Title
Creation of Temporary File with Insecure Permissions in Qualcomm Software Center
Summary
Privilege escalation due to weak configuration while temporary file handling.
Severity
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 10:06 UTC
CWE
  • CWE-378 - Creation of Temporary File With Insecure Permissions
Assigner
References
Impacted products
Vendor Product Version
Qualcomm, Inc. Snapdragon Affected: QSCv1.17.1
Affected: QSCv1.19.1
Affected: QSCv1.21.0
Affected: QSCv1.22.1
Affected: QSCv1.25.1
Affected: QSCv1.26.0 on Windows
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-4822 (GCVE-0-2026-4822)

Vulnerability from cvelistv5 – Published: 2026-03-25 20:31 – Updated: 2026-03-28 01:48
VLAI
Title
Enter Software Iperius Backup Backup Service temp file
Summary
A vulnerability was detected in Enter Software Iperius Backup up to 8.7.3. Affected is an unknown function of the file C:\ProgramData\IperiusBackup\Jobs\ of the component Backup Service. Performing a manipulation results in creation of temporary file with insecure permissions. The attack is only possible with local access. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The exploit is now public and may be used. Upgrading to version 8.7.4 is able to address this issue. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Severity
7.3 (High)
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
7 (High)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-28 01:47 UTC
CWE
  • CWE-378 - Creation of Temporary File With Insecure Permissions
  • CWE-377 - Insecure Temporary File
Assigner
References
Impacted products
Vendor Product Version
Enter Software Iperius Backup Affected: 8.7.0
Affected: 8.7.1
Affected: 8.7.2
Affected: 8.7.3
Unaffected: 8.7.4
Create a notification for this product.
Credits
0truust (VulDB User) VulDB
Show details on NVD website
To clipboard 

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CVE-2026-4137 (GCVE-0-2026-4137)

Vulnerability from cvelistv5 – Published: 2026-05-18 20:26 – Updated: 2026-05-19 12:47
VLAI
Title
Incomplete Fix for CVE-2025-10279: Insecure Temporary Directory Permissions in mlflow/mlflow
Summary
In mlflow/mlflow versions prior to 3.11.0, the `get_or_create_nfs_tmp_dir()` function in `mlflow/utils/file_utils.py` creates temporary directories with world-writable permissions (0o777), and the `_create_model_downloading_tmp_dir()` function in `mlflow/pyfunc/__init__.py` creates directories with group-writable permissions (0o770). These insecure permissions allow local attackers to tamper with model artifacts, such as cloudpickle-serialized Python objects, and achieve arbitrary code execution when the tampered artifacts are deserialized via `cloudpickle.load()`. This vulnerability is particularly critical in environments with shared NFS mounts, such as Databricks, where NFS is enabled by default. The issue is a continuation of the vulnerability class addressed in CVE-2025-10279, which was only partially fixed.
Severity
7 (High)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-19 12:47 UTC
CWE
  • CWE-378 - Creation of Temporary File With Insecure Permissions
Assigner
References
Impacted products
Vendor Product Version
mlflow mlflow/mlflow Affected: unspecified , < 3.11.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-2817 (GCVE-0-2026-2817)

Vulnerability from cvelistv5 – Published: 2026-02-19 17:18 – Updated: 2026-02-20 20:31 Unsupported When Assigned X_Open Source
VLAI
Title
Spring Data Geode Insecure Temporary Directory Usage
Summary
Use of insecure directory in Spring Data Geode snapshot import extracts archives into predictable, permissive directories under the system temp location. On shared hosts, a local user with basic privileges can access another user’s extracted snapshot contents, leading to unintended exposure of cache data.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-20 20:31 UTC
CWE
  • CWE-538 - Insertion of Sensitive Information into Externally-Accessible File or Directory
  • CWE-378 - Creation of Temporary File With Insecure Permissions
  • CWE-379 - Creation of Temporary File in Directory with Insecure Permissions
Assigner
References
Impacted products
Vendor Product Version
VMware Spring Data Geode Affected: 2.0.0.RELEASE , ≤ 2.7.18 (maven)
Create a notification for this product.
VMware Spring Data Gemfire Affected: 1.7.0.RELEASE , ≤ 2.2.13.RELEASE (maven)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-46685 (GCVE-0-2025-46685)

Vulnerability from cvelistv5 – Published: 2026-01-13 16:36 – Updated: 2026-02-26 15:04
VLAI
Summary
Dell SupportAssist OS Recovery, versions prior to 5.5.15.1, contain a Creation of Temporary File With Insecure Permissions vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.
Severity
7.5 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-14 04:57 UTC
CWE
  • CWE-378 - Creation of Temporary File With Insecure Permissions
Assigner
References
Impacted products
Vendor Product Version
Dell SupportAssist OS Recovery Affected: N/A , < 5.5.15.1 (semver)
Create a notification for this product.
Date Public
2026-01-12 18:00
Credits
Dell Technologies would like to thank falconCorrup for reporting these issues.
Show details on NVD website
To clipboard 

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CVE-2025-46684 (GCVE-0-2025-46684)

Vulnerability from cvelistv5 – Published: 2026-01-13 16:19 – Updated: 2026-01-13 16:45
VLAI
Summary
Dell SupportAssist OS Recovery, versions prior to 5.5.15.1, contain a Creation of Temporary File With Insecure Permissions vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information Tampering.
Severity
6.6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-13 16:45 UTC
CWE
  • CWE-378 - Creation of Temporary File With Insecure Permissions
Assigner
References
Impacted products
Vendor Product Version
Dell SupportAssist OS Recovery, Affected: N/A , < 5.5.15.1 (semver)
Create a notification for this product.
Date Public
2026-01-12 18:00
Credits
Dell Technologies would like to thank falconCorrup for reporting these issues.
Show details on NVD website
To clipboard 

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Mitigation
Requirements

Many contemporary languages have functions which properly handle this condition. Older C temp file functions are especially susceptible.

Mitigation
Implementation

Ensure that you use proper file permissions. This can be achieved by using a safe temp file function. Temporary files should be writable and readable only by the process that owns the file.

Mitigation
Implementation

Randomize temporary file names. This can also be achieved by using a safe temp-file function. This will ensure that temporary files will not be created in predictable places.

No CAPEC attack patterns related to this CWE.

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