Common Weakness Enumeration
CWE-377
Allowed-with-ReviewInsecure Temporary File
Abstraction: Class · Status: Incomplete
Creating and using insecure temporary files can leave application and system data vulnerable to attack.
183 vulnerabilities reference this CWE, most recent first.
CVE-2026-75920 (GCVE-0-2026-75920)
Vulnerability from cvelistv5 – Published: 2026-08-19 14:01 – Updated: 2026-08-20 15:23
VLAI
EPSS
VEX
Title
phpMyFAQ before 4.1.6 Information Disclosure via Backup ZIP
Summary
phpMyFAQ before v4.1.6 writes content backup ZIP archives to the web-accessible document root at content.zip, exposing sensitive files including database credentials. Unauthenticated attackers can race concurrent requests to download the temporary ZIP file before deletion, or exploit XSS in admin contexts to trigger authenticated backups and retrieve the archive.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 13:41 UTC
CWE
- CWE-377 - Insecure Temporary File
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/thorsten/phpMyFAQ/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/phpmyfaq-bef… | third-party-advisory |
Impacted products
Date Public
2026-08-04 00:00
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CVE-2026-73585 (GCVE-0-2026-73585)
Vulnerability from cvelistv5 – Published: 2026-08-13 12:44 – Updated: 2026-08-14 18:10
VLAI
EPSS
VEX
Title
Sblim-cmpi-base: insecure temporary file creation in sblim-cmpi-base provider registration scripts allows local symlink attack
Summary
A flaw was found in sblim-cmpi-base. Insecure temporary file creation in the provider registration scripts allows a local unprivileged user to perform a symlink attack. By creating a symlink in a world-writable directory, an attacker can redirect privileged writes to an arbitrary file during script execution in a privileged context. This can lead to the overwrite of root-owned files, potentially disrupting system services or operation. Exploitation is conditional on the script running with elevated privileges and may be mitigated by sticky-directory symlink protections.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 17:39 UTC
CWE
- CWE-377 - Insecure Temporary File
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-73585 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2462235 | issue-trackingx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| 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
|
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
|
Date Public
2026-08-13 11:51
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CVE-2026-73584 (GCVE-0-2026-73584)
Vulnerability from cvelistv5 – Published: 2026-08-13 12:44 – Updated: 2026-08-13 14:34
VLAI
EPSS
VEX
Title
Sblim-sfcb: sblim-sfcb: privileged file corruption and denial of service via insecure temporary file handling
Summary
A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 12:59 UTC
CWE
- CWE-377 - Insecure Temporary File
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-73584 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2462721 | issue-trackingx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| 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
|
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| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9
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Date Public
2026-08-13 11:50
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CVE-2026-62294 (GCVE-0-2026-62294)
Vulnerability from cvelistv5 – Published: 2026-07-15 14:20 – Updated: 2026-07-15 18:00
VLAI
EPSS
VEX
Title
Flameshot: OCTOU symlink attack via predictable /tmp path in Flameshot "Open With"
Summary
Flameshot is powerful yet simple to use screenshot software. Prior to 14.0.0, the Open With feature wrote screenshots to a predictable temporary path and followed symlinks, creating a time-of-check to time-of-use race that allowed a local unprivileged attacker on the same machine to pre-plant a symlink and cause Flameshot to write PNG data through it, overwriting any file the victim user could write. This issue is fixed in version 14.0.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 17:59 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/flameshot-org/flameshot/securi… | x_refsource_CONFIRM |
| https://github.com/flameshot-org/flameshot/pull/4716 | x_refsource_MISC |
| https://github.com/flameshot-org/flameshot/commit… | x_refsource_MISC |
| https://github.com/flameshot-org/flameshot/releas… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| flameshot-org | flameshot |
Affected:
< 14.0.0
|
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CVE-2026-55086 (GCVE-0-2026-55086)
Vulnerability from cvelistv5 – Published: 2026-08-19 19:35 – Updated: 2026-08-19 19:35
VLAI
EPSS
VEX
Title
Etherpad: Import/export use Math.random() for temp file paths; predictable paths on shared /tmp enable symlink-based file overwrite
Summary
Etherpad is a real-time collaborative editor. Prior to 3.1.0, src/node/handler/ImportHandler.ts and src/node/handler/ExportHandler.ts derive temporary filenames from Math.random() and place them in os.tmpdir(). On a host with a shared world-writable temporary directory, a local unprivileged attacker who predicts a filename can precreate a symbolic link to a file writable by the Etherpad process. Subsequent import or export operations can follow the link through fs.writeFile, fs.rename, or document-conversion output and overwrite the target with partially attacker-controlled content. This issue is fixed in version 3.1.0.
Severity
4.2 (Medium)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ether/etherpad/security/adviso… | x_refsource_CONFIRM |
| https://github.com/ether/etherpad/pull/7784 | x_refsource_MISC |
| https://github.com/ether/etherpad/commit/8c6104c5… | x_refsource_MISC |
| https://github.com/ether/etherpad/releases/tag/v3.1.0 | x_refsource_MISC |
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CVE-2026-53759 (GCVE-0-2026-53759)
Vulnerability from cvelistv5 – Published: 2026-08-18 20:54 – Updated: 2026-08-21 19:14
VLAI
EPSS
VEX
Title
linuxfabrik-lib: Insecure creation of SQLite databases
Summary
linuxfabrik-lib provides Python modules for database access, caching, shell execution, and API integrations. Prior to version 4.2.0, db_sqlite.py created SQLite databases at predictable paths in the shared /tmp directory and followed attacker-created symbolic links at those paths. An attacker who controls a local monitoring account can create a symlink such as /tmp/linuxfabrik-monitoring-plugins-docker-stats.db and then trigger a sudo-authorized plugin, causing the root process to create or modify the symlink target. The primitive can overwrite arbitrary paths, cause denial of service, or manipulate an existing SQLite database through a crafted rollback journal or write-ahead log. The Monitoring Plugins integration also moved plugin caches through lib.db_sqlite.get_db_path() so they use the secured per-user directory. This issue is fixed in version 4.2.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 19:14 UTC
CWE
- CWE-377 - Insecure Temporary File
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/Linuxfabrik/monitoring-plugins… | x_refsource_CONFIRM |
| https://github.com/Linuxfabrik/lib/commit/1e3ca61… | x_refsource_MISC |
| https://github.com/Linuxfabrik/lib/blob/main/CHAN… | x_refsource_MISC |
| https://github.com/Linuxfabrik/lib/releases/tag/v4.2.0 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linuxfabrik | monitoring-plugins |
Affected:
< 4.2.0
|
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CVE-2026-49135 (GCVE-0-2026-49135)
Vulnerability from cvelistv5 – Published: 2026-06-01 18:57 – Updated: 2026-07-14 21:33 X_Open Source
VLAI
EPSS
VEX
Title
CodexBar < 0.32.0 Insecure Temporary File Handling in Notarization Workflow
Summary
CodexBar prior to 0.32.0 contains an insecure temporary file handling vulnerability that allows local attackers to access sensitive credentials or tamper with build artifacts by exploiting predictable file paths in the release notarization workflow. Attackers with access to the same host can read the App Store Connect API key written to a fixed path, pre-create files or symbolic links at predictable locations to redirect writes to attacker-controlled destinations, or tamper with notarization archives before submission.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-02 13:27 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/steipete/CodexBar/releases/tag… | release-notes |
| https://github.com/steipete/CodexBar/pull/1228 | issue-tracking |
| https://github.com/steipete/CodexBar/commit/e7d93… | patch |
| https://www.vulncheck.com/advisories/codexbar-ins… | third-party-advisory |
Impacted products
Date Public
2026-05-30 00:00
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CVE-2026-49134 (GCVE-0-2026-49134)
Vulnerability from cvelistv5 – Published: 2026-06-01 18:53 – Updated: 2026-07-14 21:33 X_Open Source
VLAI
EPSS
VEX
Title
CodexBar < 0.32.0 Privilege Escalation via CLI Installer Temp File
Summary
CodexBar prior to 0.32.0 contains a privilege escalation vulnerability in the CLI installer that allows local attackers to execute arbitrary commands as root by exploiting a race condition in temporary file handling. The installer creates a temporary file with mktemp, writes a privileged shell payload into it, and executes it with administrator privileges via bash, allowing a same-user local process to rewrite the installer body before the administrator prompt is approved, causing attacker-controlled commands to run as root.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-02 12:38 UTC
CWE
- CWE-377 - Insecure Temporary File
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/steipete/CodexBar/releases/tag… | release-notes |
| https://github.com/steipete/CodexBar/pull/1222 | issue-tracking |
| https://github.com/steipete/CodexBar/commit/dbc94… | patch |
| https://www.vulncheck.com/advisories/codexbar-pri… | third-party-advisory |
Impacted products
Date Public
2026-05-30 00:00
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CVE-2026-46406 (GCVE-0-2026-46406)
Vulnerability from cvelistv5 – Published: 2026-06-29 14:03 – Updated: 2026-06-29 15:26
VLAI
EPSS
VEX
Title
Claude Code: Insecure Temporary File in /copy Command Enables Response Disclosure and Symlink-Based File Write
Summary
Claude Code is an agentic coding tool. From 2.1.59 until 2.1.128, the Claude Code /copy command wrote responses to a hardcoded, predictable path (/tmp/claude/response.md) without UID isolation, randomness, or symlink protection. The file was created world-readable (0644) in a world-traversable directory (0755), allowing any local user to read a privileged user's Claude response, which could contain secrets or credentials. Additionally, because the path was static and predictable, a local attacker could pre-create the directory and plant a symlink at the expected file path, causing the privileged process to follow the symlink and overwrite an attacker-chosen file with the response text. Exploiting this required a local unprivileged user on the same system and a privileged user to run the /copy command. This vulnerability is fixed in 2.1.128.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-29 15:25 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/anthropics/claude-code/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| anthropics | claude-code |
Affected:
>= 2.1.59, < 2.1.128
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CVE-2026-45384 (GCVE-0-2026-45384)
Vulnerability from cvelistv5 – Published: 2026-06-10 20:00 – Updated: 2026-06-11 13:38
VLAI
EPSS
VEX
Title
bit7z: Arbitrary File Overwrite via Symlink Attack on Predictable Temp File During Archive Update
Summary
bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, there is an arbitrary file overwrite vulnerability via symlink attack on predictable temp files during archive update. This issue has been patched in version 4.0.12.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-11 13:38 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/rikyoz/bit7z/security/advisori… | x_refsource_CONFIRM |
| https://github.com/rikyoz/bit7z/releases/tag/v4.0.12 | x_refsource_MISC |
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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.