CWE-367— Time-of-check Time-of-use (TOCTOU) Race Condition
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.— MITRE CWE catalog
1,006 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-367page 19 of 21
- CVE-2023-52478MEDIUMCVSS 4.7EG 4.72024-02-29
In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect hidpp_connect_event() has *four* time-of-check vs time-of-use (TOCTOU) races when it races with itself. …
- CVE-2022-24351MEDIUMCVSS 4.7EG 4.72023-12-16
TOCTOU race-condition vulnerability in Insyde InsydeH2O with Kernel 5.2 before version 05.27.29, Kernel 5.3 before version 05.36.29, Kernel 5.4 version before 05.44.13, and Kernel 5.5 before version 05.52.13 allows an attacker to alter dat…
- CVE-2021-46795MEDIUMCVSS 4.7EG 4.72023-01-11
A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.
- CVE-2022-29800MEDIUMCVSS 4.7EG 4.72022-09-21
A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulner…
- CVE-2021-26350MEDIUMCVSS 4.7EG 4.72022-05-11
A TOCTOU race condition in SMU may allow for the caller to obtain and manipulate the address of a message port register which may result in a potential denial of service.
- CVE-2021-26347MEDIUMCVSS 4.7EG 4.72022-05-11
Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service.
- CVE-2022-23653MEDIUMCVSS 4.7EG 4.72022-02-23
B2 Command Line Tool is the official command line tool for the backblaze cloud storage service. Linux and Mac releases of the B2 command-line tool version 3.2.0 and below contain a key disclosure vulnerability that, in certain conditions, …
- CVE-2022-23651MEDIUMCVSS 4.7EG 4.72022-02-23
b2-sdk-python is a python library to access cloud storage provided by backblaze. Linux and Mac releases of the SDK version 1.14.0 and below contain a key disclosure vulnerability that, in certain conditions, can be exploited by local attac…
- CVE-2020-8793MEDIUMCVSS 4.7EG 4.72020-02-25
OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.
- CVE-2013-4235MEDIUMCVSS 4.7EG 4.72019-12-03
shadow: TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees
- CVE-2015-7810MEDIUMCVSS 4.7EG 4.72019-11-22
libbluray MountManager class has a time-of-check time-of-use (TOCTOU) race when expanding JAR files
- CVE-2019-11482MEDIUMCVSS 4.2EG 4.72020-02-08
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-2024-36311MEDIUMCVSS 4.6EG 4.62026-02-10
A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality,…
- CVE-2026-13502MEDIUMCVSS 4.5EG 4.52026-06-28
A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This man…
- CVE-2026-70075MEDIUMCVSS 4.4EG 4.42026-10-13
Time-of-check time-of-use (toctou) race condition in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
- CVE-2026-19079MEDIUMCVSS 4.4EG 4.42026-08-07
A TOCTOU (Time-of-Check-Time-of-Use) race condition vulnerability was found in the fixfiles script in policycoreutils. When running fixfiles relabel or fixfiles restore, the script used find and chcon commands to locate and relabel unlabel…
- CVE-2026-18477MEDIUMCVSS 4.4EG 4.42026-08-03
A TOCTOU (Time-of-Check Time-of-Use) vulnerability in GNU tar's incremental dumpdir 'X' rename handling allows a local attacker with write access to a directory being backed up to influence the restore process if the attacker has access to…
- CVE-2026-34224MEDIUMCVSS 4.4EG 4.42026-03-31
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.64 and 9.7.0-alpha.8, an attacker who possesses a valid authentication provider token and a single MFA recovery c…
- CVE-2026-20445MEDIUMCVSS 4.4EG 4.42026-03-02
In MDDP, there is a possible system crash due to a race condition. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10…
- CVE-2025-53594MEDIUMCVSS 4.4EG 4.42026-01-02
A path traversal vulnerability has been reported to affect several product versions. If a local attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have alread…
- CVE-2025-27725MEDIUMCVSS 4.4EG 4.42025-11-11
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 ma…
- CVE-2025-30101MEDIUMCVSS 4.4EG 4.42025-05-08
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 den…
- CVE-2022-24413MEDIUMCVSS 4.4EG 4.42022-04-12
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-2026-117603MEDIUMCVSS 4.3EG 4.32026-10-27
Electrum before 4.7.2 contains a spending limit bypass vulnerability in the Nostr Wallet Connect plugin that allows malicious NWC clients to exceed daily_limit_sat by exploiting non-atomic budget checks and millisatoshi truncation. Attacke…
- CVE-2026-101029MEDIUMCVSS 4.3EG 4.32026-10-06
Gitea's repository migration and pull mirror egress checks could be bypassed with a hostname that returns multiple DNS answers, because the address that was validated was not necessarily the address Git later connected to. A low-privileged…
- CVE-2026-79046MEDIUMCVSS 4.3EG 4.32026-08-25
Race condition in Permissions in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-79267MEDIUMCVSS 4.3EG 4.32026-08-25
Race condition in Workers in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-25738MEDIUMCVSS 4.3EG 4.32026-02-19
Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Versions prior to 3.3.10 are vulnerable to server-side request forgery. Indico makes outgoing requests to user-provides URLs i…
- CVE-2025-62724MEDIUMCVSS 4.3EG 4.32025-11-20
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 im…
- CVE-2023-26438MEDIUMCVSS 4.3EG 4.32023-08-02
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 …
- CVE-2024-45120MEDIUMCVSS 3.1EG 4.32024-10-10
Adobe Commerce versions 2.4.7-p2, 2.4.6-p7, 2.4.5-p9, 2.4.4-p10 and earlier are affected by a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability that could lead to a security feature bypass. An attacker could exploit this vuln…
- CVE-2026-102832MEDIUMCVSS 4.2EG 4.22026-10-13
JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.5.7 until 4.5.11 and 4.6.4, the markdownviewer:trust and notebook:trust command-link handlers use tracke…
- CVE-2026-106413MEDIUMCVSS 4.2EG 4.22026-10-06
Race condition in Browser in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-32602MEDIUMCVSS 4.2EG 4.22026-04-06
Homarr is an open-source dashboard. Prior to 1.57.0, the user registration endpoint (/api/trpc/user.register) is vulnerable to a race condition that allows an attacker to create multiple user accounts from a single-use invite token. The re…
- CVE-2025-46336MEDIUMCVSS 4.2EG 4.22025-05-08
Rack::Session is a session management implementation for Rack. In versions starting from 2.0.0 to before 2.1.1, when using the Rack::Session::Pool middleware, and provided the attacker can acquire a session cookie (already a major issue), …
- CVE-2025-32441MEDIUMCVSS 4.2EG 4.22025-05-07
Rack is a modular Ruby web server interface. Prior to version 2.2.14, when using the `Rack::Session::Pool` middleware, simultaneous rack requests can restore a deleted rack session, which allows the unauthenticated user to occupy that sess…
- CVE-2020-13882MEDIUMCVSS 4.2EG 4.22020-06-18
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 unprivil…
- CVE-2024-0133MEDIUMCVSS 4.1EG 4.12024-09-26
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 us…
- CVE-2023-20620MEDIUMCVSS 4.1EG 4.12023-03-07
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; I…
- CVE-2022-1974MEDIUMCVSS 4.1EG 4.12022-08-31
A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAP_NET_ADMIN privilege to leak kernel information.
- CVE-2021-4001MEDIUMCVSS 4.1EG 4.12022-01-21
A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can…
- CVE-2025-54506MEDIUMCVSS 4.0EG 4.02026-11-10
A time-of-check to time-of-use (TOCTOU) race condition in the AMD SEV Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges to bypass security checks on scatter lists, potentially resulting i…
- CVE-2026-105647MEDIUMCVSS 4.0EG 4.02026-10-05
Ghost is a Node.js content management system. From 6.54.1 until 6.65.0, a validation issue allowed some functionality, such as Webmentions, to be abused by an unauthenticated user to make limited HTTP requests to hosts in the Ghost server'…
- CVE-2026-53945MEDIUMCVSS 4.0EG 4.02026-06-24
Ghost is a Node.js content management system. From 6.0.9 until 6.21.1, Ghost’s private-IP check for outbound HTTP requests could be bypassed via DNS rebinding, allowing an attacker to coerce the Ghost server into reaching hosts on intern…
- CVE-2023-6690LOWCVSS 2.0EG 3.92023-12-21
A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHu…
- CVE-2025-6217LOWCVSS 2.5EG 3.82025-06-21
PEAK-System Driver PCANFD_ADD_FILTERS Time-Of-Check Time-Of-Use Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sensitive information on affected installations of PEAK-System Driver. An attacker …
- CVE-2026-126935LOWCVSS 3.7EG 3.72026-11-11
Zipline before 4.8.0 contains a race condition vulnerability in src/server/routes/raw/[id].ts that allows remote attackers to bypass file maxViews limits through non-atomic view counting. Attackers holding a file link can send parallel req…
- CVE-2026-105130LOWCVSS 3.7EG 3.72026-10-03
LaraDashboard from 1.4.0 before 1.4.8 contains a race condition vulnerability in RegisterController::register that allows unauthenticated attackers to bypass the per-IP daily registration limit. Attackers can send many concurrent registrat…
- CVE-2026-73829LOWCVSS 3.7EG 3.72026-08-19
Time-of-check Time-of-use (TOCTOU) Race Condition in ZenHive mpp allows an unauthenticated remote client to redeem one confirmed on-chain payment for multiple paid-resource accesses. The type="hash" credential path in MPP.Methods.Tempo.ve…
- CVE-2026-48931LOWCVSS 3.7EG 3.72026-06-22
A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26*…
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