Common Weakness Enumeration

CWE-377

Allowed-with-Review

Insecure Temporary File

Abstraction: Class · Status: Incomplete

Creating and using insecure temporary files can leave application and system data vulnerable to attack.

200 vulnerabilities reference this CWE, most recent first.

CVE-2026-40979 (GCVE-0-2026-40979)

Vulnerability from cvelistv5 – Published: 2026-04-28 07:31 – Updated: 2026-04-28 12:33
VLAI
Summary
In Spring AI, having access to a shared environment can expose the ONNX model used by the application. Affected versions: Spring AI: 1.0.0 - 1.0.5 (fixed in 1.0.6), 1.1.0 - 1.1.4 (fixed in 1.1.5)
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-28 12:32 UTC
CWE
  • CWE-377 - Insecure Temporary File
Assigner
vmware CNA under the mitre root
CNA scorecard C 64/100 over 253 records in the last 180 days details
References
Impacted products
Vendor Product Version
Spring Spring AI Affected: 1.0.0 , < 1.0.6 (custom)
Affected: 1.1.0 , < 1.1.5 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-40973 (GCVE-0-2026-40973)

Vulnerability from cvelistv5 – Published: 2026-04-27 23:29 – Updated: 2026-04-29 03:55
VLAI
Summary
A local attacker on the same host as the application may be able to take control of the directory used by `ApplicationTemp`. When `server.servlet.session.persistent` is set to `true` and the attack persists across application restarts, this may allow the attacker to read session information and hijack authenticated users or deploy a gadget chain and execute code as the application's user. Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); predictable temp directory / `ApplicationTemp` ownership verification. Versions that are no longer supported are also affected per vendor advisory.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-28 00:00 UTC
CWE
  • CWE-377 - Insecure Temporary File
Assigner
vmware CNA under the mitre root
CNA scorecard C 64/100 over 253 records in the last 180 days details
References
Impacted products
Vendor Product Version
Spring Spring Boot Affected: 4.0.0 , < 4.0.6 (custom)
Affected: 3.5.0 , < 3.5.14 (custom)
Affected: 3.4.0 , < 3.4.16 (custom)
Affected: 3.3.0 , < 3.3.19 (custom)
Affected: 2.7.0 , < 2.7.33 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-40635 (GCVE-0-2026-40635)

Vulnerability from cvelistv5 – Published: 2026-09-09 16:24 – Updated: 2026-09-11 20:33
VLAI
Summary
Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0 contain an Insecure Temporary File vulnerability. A low privileged remote attacker could potentially exploit this vulnerability, leading to denial of service and information tampering.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:31 UTC
CWE
  • CWE-377 - Insecure Temporary File
Assigner
dell CNA under the mitre root
CNA scorecard C 70/100 over 449 records in the last 180 days details
References
Impacted products
Vendor Product Version
Dell PowerScale OneFS Affected: 0 , < 9.13.1.1 or later (semver)
Affected: 0 , < 9.15.0.0 or later (semver)
Create a notification for this product.
Date Public
2026-09-03 06:30
Show details on NVD website

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CVE-2026-35342 (GCVE-0-2026-35342)

Vulnerability from cvelistv5 – Published: 2026-04-22 16:07 – Updated: 2026-04-22 18:15
VLAI
Title
uutils coreutils mktemp Insecure Temporary File Placement via Empty TMPDIR
Summary
The mktemp utility in uutils coreutils fails to properly handle an empty TMPDIR environment variable. Unlike GNU mktemp, which falls back to /tmp when TMPDIR is an empty string, the uutils implementation treats the empty string as a valid path. This causes temporary files to be created in the current working directory (CWD) instead of the intended secure temporary directory. If the CWD is more permissive or accessible to other users than /tmp, it may lead to unintended information disclosure or unauthorized access to temporary data.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 18:15 UTC
CWE
  • CWE-377 - Insecure Temporary File
Assigner
canonical CNA under the mitre root
CNA scorecard B 80/100 over 103 records in the last 180 days details
References
Impacted products
Vendor Product Version
Uutils coreutils Affected: 0 , < 0.6.0 (semver)
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-25701 (GCVE-0-2026-25701)

Vulnerability from cvelistv5 – Published: 2026-02-25 10:59 – Updated: 2026-02-25 20:50
VLAI
Summary
An Insecure Temporary File vulnerability in openSUSE sdbootutil allows local users to pre-create a directory to achieve various effects like: * gain access to possible private information found in /var/lib/pcrlock.d * manipulate the data backed up in /tmp/pcrlock.d.bak, therefore violating the integrity of the data should it be restored. *  overwrite protected system files with data from /var/lib/pcrlock.d by placing symlinks to existing files in the directory tree in /tmp/pcrlock.d.bak. This issue affects sdbootutil: from ? before 5880246d3a02642dc68f5c8cb474bf63cdb56bca.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-25 20:49 UTC
CWE
  • CWE-377 - Insecure Temporary File
Assigner
suse CNA under the mitre root
CNA scorecard B 78/100 over 101 records in the last 180 days details
References
Impacted products
Vendor Product Version
openSUSE sdbootutil Affected: ? , < 5880246d3a02642dc68f5c8cb474bf63cdb56bca (git)
Create a notification for this product.
Date Public
2026-02-18 08:18
Show details on NVD website

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CVE-2026-25645 (GCVE-0-2026-25645)

Vulnerability from cvelistv5 – Published: 2026-03-25 17:02 – Updated: 2026-03-25 22:48
VLAI
Title
Requests has Insecure Temp File Reuse in its extract_zipped_paths() utility function
Summary
Requests is a HTTP library. Prior to version 2.33.0, the `requests.utils.extract_zipped_paths()` utility function uses a predictable filename when extracting files from zip archives into the system temporary directory. If the target file already exists, it is reused without validation. A local attacker with write access to the temp directory could pre-create a malicious file that would be loaded in place of the legitimate one. Standard usage of the Requests library is not affected by this vulnerability. Only applications that call `extract_zipped_paths()` directly are impacted. Starting in version 2.33.0, the library extracts files to a non-deterministic location. If developers are unable to upgrade, they can set `TMPDIR` in their environment to a directory with restricted write access.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-25 20:09 UTC
CWE
  • CWE-377 - Insecure Temporary File
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
Impacted products
Vendor Product Version
psf requests Affected: < 2.33.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-20204 (GCVE-0-2026-20204)

Vulnerability from cvelistv5 – Published: 2026-04-15 15:17 – Updated: 2026-04-16 03:55
VLAI
Title
Improper Handling and Insufficient Isolation of Specific Temporary Files in Splunk Enterprise
Summary
In Splunk Enterprise versions below 10.2.1, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.5, 10.2.2510.9, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the `admin` or `power` Splunk roles could potentially perform a Remote Code Execution (RCE) by uploading a malicious file to the `$SPLUNK_HOME/var/run/splunk/apptemp` directory due to improper handling and insufficient isolation of temporary files within the `apptemp` directory.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-15 00:00 UTC
CWE
  • CWE-377 - Creating and using insecure temporary files can leave application and system data vulnerable to attack.
Assigner
cisco CNA under the mitre root
CNA scorecard C 66/100 over 377 records in the last 180 days details
Impacted products
Vendor Product Version
Splunk Splunk Enterprise Affected: 10.2 , < 10.2.1 (custom)
Affected: 10.0 , < 10.0.5 (custom)
Affected: 9.4 , < 9.4.10 (custom)
Affected: 9.3 , < 9.3.11 (custom)
Create a notification for this product.
Splunk Splunk Cloud Platform Affected: 10.4.2603 , < Not Affected (custom)
Affected: 10.3.2512 , < 10.3.2512.5 (custom)
Affected: 10.2.2510 , < 10.2.2510.9 (custom)
Affected: 10.1.2507 , < 10.1.2507.19 (custom)
Affected: 10.0.2503 , < 10.0.2503.13 (custom)
Affected: 9.3.2411 , < 9.3.2411.127 (custom)
Create a notification for this product.
Date Public
2026-04-15 00:00
Show details on NVD website

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CVE-2026-16791 (GCVE-0-2026-16791)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:47 – Updated: 2026-08-05 15:08
VLAI
Title
Predictable Temporary File Symlink Vulnerability in Lenovo XClarity Essentials OneCLI
Summary
A temporary file creation vulnerability in the Linux version of Lenovo XClarity Essentials OneCLI 5.5.0 and below could allow a local low-privileged attacker to overwrite or truncate arbitrary local files with program-generated data when OneCLI is executed with elevated privileges.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 15:06 UTC
CWE
  • CWE-377 - Insecure Temporary File
Assigner
lenovo CNA under the mitre root
CNA scorecard B 84/100 over 43 records in the last 180 days details
References
URL Tags
https://support.lenovo.com/us/en/solutions/ht116433 patchrelease-notesproduct
Impacted products
Vendor Product Version
Lenovo XClarity Essentials OneCLI Affected: 0 , < 5.6 (custom)
    cpe:2.3:a:lenovo:xclarity_essentials_onecli:*:*:linux:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-04 13:00
Show details on NVD website

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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.
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
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3840 records in the last 180 days details
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.
Show details on NVD website

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CVE-2025-66625 (GCVE-0-2025-66625)

Vulnerability from cvelistv5 – Published: 2025-12-09 20:09 – Updated: 2025-12-12 20:33
VLAI
Title
Umbraco Vulnerable to Improper File Access and Credential Exposure through Dictionary Import Functionality
Summary
Umbraco is an ASP.NET CMS. Due to unsafe handling and deletion of temporary files in versions 10.0.0 through 13.12.0, during the dictionary upload process an attacker with access to the backoffice can trigger predictable requests to temporary file paths. The application’s error responses (HTTP 500 when a file exists, 404 when it does not) allow the attacker to enumerate the existence of arbitrary files on the server’s filesystem. This vulnerability does not allow reading or writing file contents. In certain configurations, incomplete clean-up of temporary upload files may additionally expose the NTLM hash of the Windows account running the Umbraco application. This issue is fixed in version 13.12.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-12 20:33 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-377 - Insecure Temporary File
  • CWE-552 - Files or Directories Accessible to External Parties
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
References
Impacted products
Vendor Product Version
umbraco Umbraco-CMS Affected: 10.0.0, < 13.12.1
Create a notification for this product.
Show details on NVD website

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No mitigation information available for this CWE.

CAPEC-149: Explore for Predictable Temporary File Names

An attacker explores a target to identify the names and locations of predictable temporary files for the purpose of launching further attacks against the target. This involves analyzing naming conventions and storage locations of the temporary files created by a target application. If an attacker can predict the names of temporary files they can use this information to mount other attacks, such as information gathering and symlink attacks.

CAPEC-155: Screen Temporary Files for Sensitive Information

An adversary exploits the temporary, insecure storage of information by monitoring the content of files used to store temp data during an application's routine execution flow. Many applications use temporary files to accelerate processing or to provide records of state across multiple executions of the application. Sometimes, however, these temporary files may end up storing sensitive information. By screening an application's temporary files, an adversary might be able to discover such sensitive information. For example, web browsers often cache content to accelerate subsequent lookups. If the content contains sensitive information then the adversary could recover this from the web cache.