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.
CVE-2026-35376 (GCVE-0-2026-35376)
Vulnerability from cvelistv5 – Published: 2026-04-22 16:09 – Updated: 2026-04-22 17:14
VLAI
Title
uutils coreutils chcon Security Bypass and Mandatory Access Control (MAC) Inconsistency via TOCTOU Race Condition
Summary
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 the specific directory state encountered during traversal. Because these operations are not anchored to file descriptors, a local attacker with write access to a directory tree can exploit timing-sensitive rename or symbolic link races to redirect a privileged recursive relabeling operation to unintended files or directories. This vulnerability breaks the hardening expectations for SELinux administration workflows and can lead to the unauthorized modification of security labels on sensitive system objects.
Severity
4.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-Check Time-of-Use (TOCTOU) Race Condition
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/uutils/coreutils/pull/11402 | patchissue-tracking |
| https://github.com/uutils/coreutils/releases/tag/0.8.0 | vendor-advisory |
Credits
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CVE-2026-35418 (GCVE-0-2026-35418)
Vulnerability from cvelistv5 – Published: 2026-05-12 16:58 – Updated: 2026-06-02 23:16
VLAI
Title
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Summary
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
14 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.8755
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.7291
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.7291
(custom)
|
|
| Microsoft | Windows 11 version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7079
(custom)
|
|
| Microsoft | Windows 11 Version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7079
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.8457
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.8457
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2113
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.8755
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.8755
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5139
(custom)
|
|
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) |
Affected:
10.0.25398.0 , < 10.0.25398.2330
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.32860
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.32860
(custom)
|
Date Public
2026-05-12 14:00
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CVE-2026-35648 (GCVE-0-2026-35648)
Vulnerability from cvelistv5 – Published: 2026-04-10 16:03 – Updated: 2026-04-13 17:55 X_Open Source
VLAI
Title
OpenClaw < 2026.3.22 - Policy Bypass via Unvalidated Queued Node Actions
Summary
OpenClaw before 2026.3.22 contains a policy bypass vulnerability where queued node actions are not revalidated against current command policy when delivered. Attackers can exploit stale allowlists or declarations that survive policy tightening to execute unauthorized commands.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | third-party-advisory |
| https://github.com/openclaw/openclaw/commit/630f1… | patch |
| https://github.com/openclaw/openclaw/commit/ec2c6… | patch |
| https://www.vulncheck.com/advisories/openclaw-pol… | third-party-advisory |
Impacted products
Date Public
2026-03-24 00:00
Credits
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CVE-2026-3590 (GCVE-0-2026-3590)
Vulnerability from cvelistv5 – Published: 2026-04-15 11:00 – Updated: 2026-04-15 14:00
VLAI
Title
Race Condition in Guest Magic Link Authentication Allows Token Reuse
Summary
Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 11.4.2, 11.3.x <= 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent requests.. Mattermost Advisory ID: MMSA-2026-00624
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
10.11.0 , ≤ 10.11.12
(semver)
Affected: 11.5.0 , ≤ 11.5.0 (semver) Affected: 11.4.0 , ≤ 11.4.2 (semver) Affected: 11.3.0 , ≤ 11.3.2 (semver) Unaffected: 11.6.0 Unaffected: 10.11.13 Unaffected: 11.5.1 Unaffected: 11.4.3 Unaffected: 11.3.3 |
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CVE-2026-40896 (GCVE-0-2026-40896)
Vulnerability from cvelistv5 – Published: 2026-04-20 15:12 – Updated: 2026-04-20 16:13
VLAI
Title
OpenProject has Cross-Project Meeting Agenda Item Injection via Unscoped Section Lookup
Summary
OpenProject is open-source, web-based project management software. Prior to version 17.3.0, a user with `manage_agendas` permission in any project can inject agenda items into meetings belonging to any other project on the instance — even projects they have no access to. No knowledge of the target project, meeting, or victim is required; the attacker can blindly spray items into every meeting on the instance by iterating sequential section IDs. Version 17.3.0 patches the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/opf/openproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/opf/openproject/commit/8f693a1… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| opf | openproject |
Affected:
< 17.3.0
|
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CVE-2026-41002 (GCVE-0-2026-41002)
Vulnerability from cvelistv5 – Published: 2026-05-07 03:53 – Updated: 2026-05-09 03:55
VLAI
Summary
The base directory (`spring.cloud.config.server.git.basedir`) used by the Spring Cloud Config Server to clone Git repositories to is susceptible to time-of-check-time-of-use (TOCTOU) attacks.
Spring Cloud Config 3.1.x: affected from 3.1.0 through 3.1.13 (inclusive); upgrade to 3.1.14 or greater (Enterprise Support Only). Spring Cloud Config 4.1.x: affected from 4.1.0 through 4.1.9 (inclusive); upgrade to 4.1.10 or greater (Enterprise Support Only). Spring Cloud Config 4.2.x: affected from 4.2.0 through 4.2.6 (inclusive); upgrade to 4.2.7 or greater (Enterprise Support Only). Spring Cloud Config 4.3.x: affected from 4.3.0 through 4.3.2 (inclusive); upgrade to 4.3.3 or greater. Spring Cloud Config 5.0.x: affected from 5.0.0 through 5.0.2 (inclusive); upgrade to 5.0.3 or greater.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Spring | Spring Cloud Config |
Affected:
3.1.0 , < 3.1.14
(custom)
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CVE-2026-41296 (GCVE-0-2026-41296)
Vulnerability from cvelistv5 – Published: 2026-04-20 23:08 – Updated: 2026-04-21 19:49 X_Open Source
VLAI
Title
OpenClaw < 2026.3.31 - Sandbox Escape via TOCTOU Race in Remote FS Bridge readFile
Summary
OpenClaw before 2026.3.31 contains a time-of-check-time-of-use race condition in the remote filesystem bridge readFile function that allows sandbox escape. Attackers can exploit the separate path validation and file read operations to bypass sandbox restrictions and read arbitrary files.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://github.com/openclaw/openclaw/commit/12187… | patch |
| https://www.vulncheck.com/advisories/openclaw-san… | third-party-advisory |
Impacted products
Date Public
2026-03-31 00:00
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CVE-2026-41337 (GCVE-0-2026-41337)
Vulnerability from cvelistv5 – Published: 2026-04-23 21:57 – Updated: 2026-04-24 14:28 X_Open Source
VLAI
Title
OpenClaw < 2026.3.31 - Callback Origin Mutation in Plivo Voice-call Replay
Summary
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Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://github.com/openclaw/openclaw/commit/efe91… | patch |
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Impacted products
Date Public
2026-03-31 00:00
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CVE-2026-41338 (GCVE-0-2026-41338)
Vulnerability from cvelistv5 – Published: 2026-04-23 21:57 – Updated: 2026-04-24 18:19 X_Open Source
VLAI
Title
OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operations
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://github.com/openclaw/openclaw/commit/32a4a… | patch |
| https://www.vulncheck.com/advisories/openclaw-tim… | third-party-advisory |
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2026-03-31 00:00
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CVE-2026-41360 (GCVE-0-2026-41360)
Vulnerability from cvelistv5 – Published: 2026-04-23 21:58 – Updated: 2026-04-24 10:56 X_Open Source
VLAI
Title
OpenClaw < 2026.4.2 - Approval Integrity Bypass in pnpm dlx Local Script Binding
Summary
OpenClaw before 2026.4.2 contains an approval integrity vulnerability in pnpm dlx that fails to bind local script operands consistently with pnpm exec flows. Attackers can replace approved local scripts before execution without invalidating the approval plan, allowing execution of modified script contents.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://github.com/openclaw/openclaw/commit/176c0… | patch |
| https://www.vulncheck.com/advisories/openclaw-app… | third-party-advisory |
Impacted products
Date Public
2026-04-02 00:00
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Mitigation
Phase: Implementation
Description:
- The most basic advice for TOCTOU vulnerabilities is to not perform a check before the use. This does not resolve the underlying issue of the execution of a function on a resource whose state and identity cannot be assured, but it does help to limit the false sense of security given by the check.
Mitigation
Phase: Implementation
Description:
- When the file being altered is owned by the current user and group, set the effective gid and uid to that of the current user and group when executing this statement.
Mitigation
Phase: Architecture and Design
Description:
- Limit the interleaving of operations on files from multiple processes.
Mitigation
Phases: Implementation, Architecture and Design
Description:
- If you cannot perform operations atomically and you must share access to the resource between multiple processes or threads, then try to limit the amount of time (CPU cycles) between the check and use of the resource. This will not fix the problem, but it could make it more difficult for an attack to succeed.
Mitigation
Phase: Implementation
Description:
- Recheck the resource after the use call to verify that the action was taken appropriately.
Mitigation
Phase: Architecture and Design
Description:
- Ensure that some environmental locking mechanism can be used to protect resources effectively.
Mitigation
Phase: Implementation
Description:
- Ensure that locking occurs before the check, as opposed to afterwards, such that the resource, as checked, is the same as it is when in use.
CAPEC-27: Leveraging Race Conditions via Symbolic Links
This attack leverages the use of symbolic links (Symlinks) in order to write to sensitive files. An attacker can create a Symlink link to a target file not otherwise accessible to them. When the privileged program tries to create a temporary file with the same name as the Symlink link, it will actually write to the target file pointed to by the attackers' Symlink link. If the attacker can insert malicious content in the temporary file they will be writing to the sensitive file by using the Symlink. The race occurs because the system checks if the temporary file exists, then creates the file. The attacker would typically create the Symlink during the interval between the check and the creation of the temporary file.
CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.