VYPR

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

BaseIncompleteLikelihood: Medium

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)

Parents

Children

Related attack patterns (CAPEC)

CAPEC-27 · CAPEC-29

CVEs mapped to this weakness (840)

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  • CVE-2026-22281LowJan 22, 2026
    risk 0.23cvss 3.5epss 0.00

    Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A low privileged…

  • CVE-2026-19079MedAug 7, 2026
    risk 0.22cvss 4.4epss 0.00

    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 unlabeled files under /tmp and other…

  • CVE-2026-35376MedApr 22, 2026
    risk 0.22cvss 4.5epss 0.00

    A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the chcon utility of uutils coreutils during recursive operations. The implementation resolves recursive targets using a fresh path lookup (via fts_accpath) rather than binding the traversal and label application to…

  • CVE-2026-34224MedMar 31, 2026
    risk 0.22cvss 4.4epss 0.00

    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 code or SMS one-time password can create…

  • CVE-2026-28671LowSep 8, 2026
    risk 0.21cvss 3.3epss 0.00

    In updateInternal of MediaProvider.java, there is a possible expose contents of files due to a race condition. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

  • CVE-2026-25738MedFeb 19, 2026
    risk 0.21cvss 4.3epss 0.00

    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 in various places. This is mostly…

  • CVE-2025-46415LowJun 27, 2025
    risk 0.21cvss 3.2epss 0.00

    A race condition in the Nix, Lix, and Guix package managers allows the removal of content from arbitrary folders. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

  • CVE-2025-0759LowFeb 27, 2025
    risk 0.21cvss 3.3epss 0.00

    IBM EntireX 11.1 could allow a local user to unintentionally modify data timestamp integrity due to improper shared resource synchronization.

  • CVE-2023-20521LowNov 14, 2023
    risk 0.21cvss 3.3epss 0.00

    TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.

  • CVE-2026-93380LowSep 17, 2026
    risk 0.20cvss 3.1epss 0.00

    Race condition in FileSystem in Google Chrome prior to 153.0.8010.52 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

  • CVE-2026-91708LowSep 15, 2026
    risk 0.20cvss 3.1epss 0.00

    Race condition in Network in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

  • CVE-2026-87517LowSep 9, 2026
    risk 0.20cvss 3.1epss 0.00

    Race condition in Mobile in Google Chrome on on iOS prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

  • CVE-2026-82238LowAug 28, 2026
    risk 0.20cvss 3.1epss 0.00

    filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous PATCH requests at the same offset to bypass…

  • CVE-2026-78894LowAug 25, 2026
    risk 0.20cvss 3.1epss 0.00

    Race condition in Payments in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

  • CVE-2026-49262LowAug 12, 2026
    risk 0.20cvss 3.0epss 0.00

    In the Aimeos Pagible content management system prior to version 0.10.4, the administrative proxy route (`cmsproxy`) is vulnerable to a Server-Side Request Forgery (SSRF) attack via DNS Rebinding. A Time-of-Check to Time-of-Use (TOCTOU) race condition exists between the URL…

  • CVE-2026-32602MedApr 6, 2026
    risk 0.20cvss 4.2epss 0.00

    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 registration flow performs three…

  • CVE-2026-20796LowFeb 13, 2026
    risk 0.20cvss 3.1epss 0.00

    Mattermost versions 10.11.x <= 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /common_teams API endpoint.. Mattermost Advisory ID:…

  • CVE-2026-1035LowJan 21, 2026
    risk 0.20cvss 3.1epss 0.00

    A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not…

  • CVE-2025-46336MedMay 8, 2025
    risk 0.20cvss 4.2epss 0.00

    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), the session may be restored if the…

  • CVE-2025-32441MedMay 7, 2025
    risk 0.20cvss 4.2epss 0.00

    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 session. Rack session middleware prepares…