CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
Description
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-27 · CAPEC-29
CVEs mapped to this weakness (741)
page 31 of 38| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-27725 | Med | 0.29 | 4.4 | 0.00 | Nov 11, 2025 | Time-of-check time-of-use race condition for some ACAT before version 3.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a high complexity attack may enable denial of service. This result… | ||
| CVE-2025-30101 | Med | 0.29 | 4.4 | 0.00 | May 8, 2025 | Dell PowerScale OneFS, versions 9.8.0.0 through 9.10.1.0, contain a time-of-check time-of-use (TOCTOU) race condition vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to denial of service and information tampering. | ||
| CVE-2022-24413 | Med | 0.29 | 4.4 | 0.00 | Apr 12, 2022 | Dell PowerScale OneFS, versions 8.2.2-9.3.x, contain a time-of-check-to-time-of-use vulnerability. A local user with access to the filesystem could potentially exploit this vulnerability, leading to data loss. | ||
| CVE-2018-1121 | Low | 0.29 | 3.9 | 0.04 | Jun 13, 2018 | procps-ng, procps is vulnerable to a process hiding through race condition. Since the kernel's proc_pid_readdir() returns PID entries in ascending numeric order, a process occupying a high PID can use inotify events to determine when the process list is being scanned, and… | ||
| CVE-2025-62724 | Med | 0.28 | 4.3 | 0.00 | Nov 20, 2025 | Open OnDemand is an open-source HPC portal. Prior to versions 4.0.8 and 3.1.16, users can craft a "Time of Check to Time of Use" (TOCTOU) attack when downloading zip files to access files outside of the OOD_ALLOWLIST. This vulnerability impacts sites that use the file browser… | ||
| CVE-2023-26438 | Med | 0.28 | 4.3 | 0.01 | Aug 2, 2023 | External service lookups for a number of protocols were vulnerable to a time-of-check/time-of-use (TOCTOU) weakness, involving the JDK DNS cache. Attackers that were timing DNS cache expiry correctly were able to inject configuration that would bypass existing network… | ||
| CVE-2026-41337 | Med | 0.27 | 5.3 | 0.00 | Apr 23, 2026 | OpenClaw before 2026.3.31 contains a callback origin mutation vulnerability in Plivo voice-call replay that allows attackers to mutate in-process callback origin before replay rejection. Attackers with captured valid callbacks for live calls can exploit this to manipulate… | ||
| CVE-2026-34452 | Med | 0.27 | 5.3 | 0.00 | Mar 31, 2026 | The Claude SDK for Python provides access to the Claude API from Python applications. From version 0.86.0 to before version 0.87.0, the async local filesystem memory tool in the Anthropic Python SDK validated that model-supplied paths resolved inside the sandboxed memory… | ||
| CVE-2026-27670 | Med | 0.27 | 5.3 | 0.00 | Mar 19, 2026 | OpenClaw versions prior to 2026.3.2 contain a race condition vulnerability in ZIP extraction that allows local attackers to write files outside the intended destination directory. Attackers can exploit a time-of-check-time-of-use race between path validation and file write… | ||
| CVE-2026-22180 | Med | 0.27 | 5.3 | 0.00 | Mar 18, 2026 | OpenClaw versions prior to 2026.3.2 contain a path-confinement bypass vulnerability in browser output handling that allows writes outside intended root directories. Attackers can exploit insufficient canonical path-boundary validation in file write operations to escape… | ||
| CVE-2026-22701 | Med | 0.27 | 5.3 | 0.00 | Jan 10, 2026 | filelock is a platform-independent file lock for Python. Prior to version 3.20.3, a TOCTOU race condition vulnerability exists in the SoftFileLock implementation of the filelock package. An attacker with local filesystem access and permission to create symlinks can exploit a… | ||
| CVE-2025-64457 | Med | 0.27 | 4.2 | 0.00 | Nov 10, 2025 | In JetBrains ReSharper, Rider and dotTrace before 2025.2.5 local privilege escalation was possible via race condition | ||
| CVE-2024-0133 | Med | 0.27 | 4.1 | 0.00 | Sep 26, 2024 | NVIDIA Container Toolkit 1.16.1 or earlier contains a vulnerability in the default mode of operation allowing a specially crafted container image to create empty files on the host file system. This does not impact use cases where CDI is used. A successful exploit of this… | ||
| CVE-2023-20620 | Med | 0.27 | 4.1 | 0.00 | Mar 7, 2023 | In adsp, there is a possible escalation of privilege due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07554558; Issue ID: ALPS07554558. | ||
| CVE-2020-13882 | Med | 0.27 | 4.2 | 0.00 | Jun 18, 2020 | CISOfy Lynis before 3.0.0 has Incorrect Access Control because of a TOCTOU race condition. The routine to check the log and report file permissions was not working as intended and could be bypassed locally. Because of the race, an unprivileged attacker can set up a log and… | ||
| CVE-2019-11482 | Med | 0.27 | 4.2 | 0.00 | Feb 8, 2020 | Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories. | ||
| CVE-2026-54055 | Med | 0.26 | 5.0 | 0.00 | Jun 12, 2026 | Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.2, a local privilege escalation vulnerability exists in kitty's file transmission protocol where a child process running in the terminal can write to arbitrary files on the filesystem by exploiting a TOCTOU… | ||
| CVE-2026-49958 | Med | 0.26 | 5.0 | 0.00 | Jun 9, 2026 | Hermes WebUI before version 0.51.303 contains a time-of-check time-of-use (TOCTOU) race condition vulnerability in the git_discard function within api/workspace_git.py that allows attackers to delete files outside the configured workspace boundary by replacing a validated path… | ||
| CVE-2026-42336 | Med | 0.26 | — | 0.00 | May 26, 2026 | MaxKB is an open-source AI assistant for enterprise. MaxKB 2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file service URL fetch functionality due to inconsistent DNS resolution between validation and actual request execution, allowing… | ||
| CVE-2026-7724 | Med | 0.26 | 5.0 | 0.00 | May 4, 2026 | A vulnerability has been found in PrefectHQ prefect up to 3.6.28.dev1. Affected by this vulnerability is the function validate_restricted_url of the component Webhook/Notification. The manipulation leads to time-of-check time-of-use. It is possible to initiate the attack… |
- risk 0.29cvss 4.4epss 0.00
Time-of-check time-of-use race condition for some ACAT before version 3.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a high complexity attack may enable denial of service. This result…
- risk 0.29cvss 4.4epss 0.00
Dell PowerScale OneFS, versions 9.8.0.0 through 9.10.1.0, contain a time-of-check time-of-use (TOCTOU) race condition vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to denial of service and information tampering.
- risk 0.29cvss 4.4epss 0.00
Dell PowerScale OneFS, versions 8.2.2-9.3.x, contain a time-of-check-to-time-of-use vulnerability. A local user with access to the filesystem could potentially exploit this vulnerability, leading to data loss.
- risk 0.29cvss 3.9epss 0.04
procps-ng, procps is vulnerable to a process hiding through race condition. Since the kernel's proc_pid_readdir() returns PID entries in ascending numeric order, a process occupying a high PID can use inotify events to determine when the process list is being scanned, and…
- risk 0.28cvss 4.3epss 0.00
Open OnDemand is an open-source HPC portal. Prior to versions 4.0.8 and 3.1.16, users can craft a "Time of Check to Time of Use" (TOCTOU) attack when downloading zip files to access files outside of the OOD_ALLOWLIST. This vulnerability impacts sites that use the file browser…
- risk 0.28cvss 4.3epss 0.01
External service lookups for a number of protocols were vulnerable to a time-of-check/time-of-use (TOCTOU) weakness, involving the JDK DNS cache. Attackers that were timing DNS cache expiry correctly were able to inject configuration that would bypass existing network…
- risk 0.27cvss 5.3epss 0.00
OpenClaw before 2026.3.31 contains a callback origin mutation vulnerability in Plivo voice-call replay that allows attackers to mutate in-process callback origin before replay rejection. Attackers with captured valid callbacks for live calls can exploit this to manipulate…
- risk 0.27cvss 5.3epss 0.00
The Claude SDK for Python provides access to the Claude API from Python applications. From version 0.86.0 to before version 0.87.0, the async local filesystem memory tool in the Anthropic Python SDK validated that model-supplied paths resolved inside the sandboxed memory…
- risk 0.27cvss 5.3epss 0.00
OpenClaw versions prior to 2026.3.2 contain a race condition vulnerability in ZIP extraction that allows local attackers to write files outside the intended destination directory. Attackers can exploit a time-of-check-time-of-use race between path validation and file write…
- risk 0.27cvss 5.3epss 0.00
OpenClaw versions prior to 2026.3.2 contain a path-confinement bypass vulnerability in browser output handling that allows writes outside intended root directories. Attackers can exploit insufficient canonical path-boundary validation in file write operations to escape…
- risk 0.27cvss 5.3epss 0.00
filelock is a platform-independent file lock for Python. Prior to version 3.20.3, a TOCTOU race condition vulnerability exists in the SoftFileLock implementation of the filelock package. An attacker with local filesystem access and permission to create symlinks can exploit a…
- risk 0.27cvss 4.2epss 0.00
In JetBrains ReSharper, Rider and dotTrace before 2025.2.5 local privilege escalation was possible via race condition
- risk 0.27cvss 4.1epss 0.00
NVIDIA Container Toolkit 1.16.1 or earlier contains a vulnerability in the default mode of operation allowing a specially crafted container image to create empty files on the host file system. This does not impact use cases where CDI is used. A successful exploit of this…
- risk 0.27cvss 4.1epss 0.00
In adsp, there is a possible escalation of privilege due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07554558; Issue ID: ALPS07554558.
- risk 0.27cvss 4.2epss 0.00
CISOfy Lynis before 3.0.0 has Incorrect Access Control because of a TOCTOU race condition. The routine to check the log and report file permissions was not working as intended and could be bypassed locally. Because of the race, an unprivileged attacker can set up a log and…
- risk 0.27cvss 4.2epss 0.00
Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories.
- risk 0.26cvss 5.0epss 0.00
Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.2, a local privilege escalation vulnerability exists in kitty's file transmission protocol where a child process running in the terminal can write to arbitrary files on the filesystem by exploiting a TOCTOU…
- risk 0.26cvss 5.0epss 0.00
Hermes WebUI before version 0.51.303 contains a time-of-check time-of-use (TOCTOU) race condition vulnerability in the git_discard function within api/workspace_git.py that allows attackers to delete files outside the configured workspace boundary by replacing a validated path…
- risk 0.26cvss —epss 0.00
MaxKB is an open-source AI assistant for enterprise. MaxKB 2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file service URL fetch functionality due to inconsistent DNS resolution between validation and actual request execution, allowing…
- risk 0.26cvss 5.0epss 0.00
A vulnerability has been found in PrefectHQ prefect up to 3.6.28.dev1. Affected by this vulnerability is the function validate_restricted_url of the component Webhook/Notification. The manipulation leads to time-of-check time-of-use. It is possible to initiate the attack…