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 (741)

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  • CVE-2022-23029MedJan 25, 2022
    risk 0.35cvss 5.3epss 0.01

    On BIG-IP version 16.x before 16.1.0, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x, 12.1.x, and 11.6.x, when a FastL4 profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. Note: Software…

  • CVE-2021-23977MedFeb 26, 2021
    risk 0.35cvss 5.3epss 0.01

    Firefox for Android suffered from a time-of-check-time-of-use vulnerability that allowed a malicious application to read sensitive data from application directories. Note: This issue is only affected Firefox for Android. Other operating systems are unaffected. This vulnerability…

  • CVE-2021-21615MedJan 26, 2021
    risk 0.35cvss 5.3epss 0.01

    Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.

  • CVE-2018-16872MedDec 13, 2018
    risk 0.35cvss 5.3epss 0.01

    A flaw was found in qemu Media Transfer Protocol (MTP). The code opening files in usb_mtp_get_object and usb_mtp_get_partial_object and directories in usb_mtp_object_readdir doesn't consider that the underlying filesystem may have changed since the time lstat(2) was called in…

  • CVE-2026-70597MedAug 5, 2026
    risk 0.34cvss 6.3epss 0.00

    Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.8, 40.9.0, 41.2.1, and 42.0.0-beta.3, the check Electron uses on macOS to confirm it was launched by a same-signed parent process could be bypassed by a local…

  • CVE-2026-71210MedAug 5, 2026
    risk 0.34cvss 5.3epss 0.00

    Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target hostname once, checks the resolved IP against private-range rules, but then issues the actual outbound HTTP request using the original hostname, which the underlying async transport…

  • CVE-2026-58041MedAug 4, 2026
    risk 0.34cvss 5.3epss 0.00

    A flaw in Node.js node:sqlite allows a stale StatementSyncIterator created through DatabaseSync#createTagStore() to continue executing a cached prepared statement after it has been reset and rebound with new parameters. SQLTagStore resets cached statements using sqlite3_reset()…

  • CVE-2026-43619MedMay 20, 2026
    risk 0.34cvss 6.3epss 0.00

    Rsync version 3.4.2 and prior contain symlink race condition vulnerabilities in path-based system calls including chmod, lchown, utimes, rename, unlink, mkdir, symlink, mknod, link, rmdir, and lstat that allow local attackers to redirect operations to files outside the exported…

  • CVE-2026-42592MedMay 14, 2026
    risk 0.34cvss 5.3epss 0.00

    Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.32.0, FilterOutboundURL resolves the hostname, checks the resolved IPs against the private-address deny-list, and returns only the error. It discards the resolved addresses. Chromium later performs its own DNS…

  • CVE-2026-42344MedMay 8, 2026
    risk 0.34cvss 6.3epss 0.00

    FastGPT is an AI Agent building platform. In versions 4.14.11 and prior, FastGPT's isInternalAddress() function in packages/service/common/system/utils.ts is vulnerable to DNS rebinding (TOCTOU — Time-of-Check to Time-of-Use). The function resolves the hostname via…

  • CVE-2026-43582MedMay 6, 2026
    risk 0.34cvss 6.3epss 0.00

    OpenClaw before 2026.4.10 contains a server-side request forgery vulnerability in browser navigation policy that allows attackers to bypass hostname validation through DNS rebinding attacks. Attackers can exploit inconsistent hostname resolution between validation and actual…

  • CVE-2026-35356MedApr 22, 2026
    risk 0.34cvss 6.3epss 0.00

    A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the install utility of uutils coreutils when using the -D flag. The command creates parent directories and subsequently performs a second path resolution to create the target file, neither of which is anchored to a…

  • CVE-2026-35355MedApr 22, 2026
    risk 0.34cvss 6.3epss 0.00

    The install utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file installation. The implementation unlinks an existing destination file and then recreates it using a path-based operation without the O_EXCL flag. A local…

  • CVE-2026-35345MedApr 22, 2026
    risk 0.34cvss 5.3epss 0.00

    A vulnerability in the tail utility of uutils coreutils allows for the exfiltration of sensitive file contents when using the --follow=name option. Unlike GNU tail, the uutils implementation continues to monitor a path after it has been replaced by a symbolic link, subsequently…

  • CVE-2026-32977MedMar 31, 2026
    risk 0.34cvss 6.3epss 0.00

    OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability in the fs-bridge writeFile commit step that uses an unanchored container path during the final move operation. An attacker can exploit a time-of-check-time-of-use race condition by modifying parent paths…

  • CVE-2026-32921MedMar 31, 2026
    risk 0.34cvss 6.3epss 0.00

    OpenClaw before 2026.3.8 contains an approval bypass vulnerability in system.run where mutable script operands are not bound across approval and execution phases. Attackers can obtain approval for script execution, modify the approved script file before execution, and execute…

  • CVE-2026-28689MedMar 10, 2026
    risk 0.34cvss 6.3epss 0.00

    ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, domain="path" authorization is checked before final file open/use. A symlink swap between check-time and use-time bypasses policy-denied…

  • CVE-2026-27127MedFeb 24, 2026
    risk 0.34cvss 6.3epss 0.00

    Craft is a content management system (CMS). In versions 4.5.0-RC1 through 4.16.18 and 5.0.0-RC1 through 5.8.22, the SSRF validation in Craft CMS’s GraphQL Asset mutation performs DNS resolution separately from the HTTP request. This Time-of-Check-Time-of-Use (TOCTOU)…

  • CVE-2025-71225MedFeb 18, 2026
    risk 0.34cvss 5.3epss 0.00

    In the Linux kernel, the following vulnerability has been resolved: md: suspend array while updating raid_disks via sysfs In raid1_reshape(), freeze_array() is called before modifying the r1bio memory pool (conf->r1bio_pool) and conf->raid_disks, and unfreeze_array() is called…

  • CVE-2025-68146MedDec 16, 2025
    risk 0.34cvss 6.3epss 0.00

    filelock is a platform-independent file lock for Python. In versions prior to 3.20.1, a Time-of-Check-Time-of-Use (TOCTOU) race condition allows local attackers to corrupt or truncate arbitrary user files through symlink attacks. The vulnerability exists in both Unix and Windows…