Common Weakness Enumeration

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

CVE-2026-46693 (GCVE-0-2026-46693)

Vulnerability from cvelistv5 – Published: 2026-06-10 21:47 – Updated: 2026-06-11 13:12

Title

ImageMagick: Race Condition in distributed pixel cache server can result in file descriptor hijacking

Summary

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, an attacker who can connect to a magick -distribute-cache service can hijack a file descriptor in the server process when a race condition is met. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

Severity

4.1 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-567 - Unsynchronized Access to Shared Data in a Multithreaded Context

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/ImageMagick/ImageMagick/securi…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
ImageMagick	ImageMagick	Affected: < 6.9.13-48 Affected: < 7.1.2-23

Show details on NVD website

JSON

To clipboard

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CVE-2026-46727 (GCVE-0-2026-46727)

Vulnerability from cvelistv5 – Published: 2026-05-22 00:00 – Updated: 2026-05-22 18:41

Summary

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler (rb_getaddrinfo in ext/socket/raddrinfo.c) allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that calls Addrinfo.getaddrinfo(..., timeout:) or Socket.tcp(..., resolv_timeout:). Memory-corruption-based exploitation is theoretically possible. The attack could, for example, be carried out through a crafted authoritative DNS server or recursive resolver.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

mitre

References

2 references

URL	Tags
https://hackerone.com/reports/3607434
https://www.ruby-lang.org/en/news/2026/05/20/geta…

Impacted products

1 product

Vendor	Product	Version
ruby-lang	Ruby	Affected: 4.0.0 , < 4.0.5 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2026-46732 (GCVE-0-2026-46732)

Vulnerability from cvelistv5 – Published: 2026-06-25 13:36 – Updated: 2026-06-26 03:55

Summary

Dell Display and Peripheral Manager (DDPM Mac), versions prior to 2.3, contain a Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.

Severity

6.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

dell

References

1 reference

URL	Tags
https://www.dell.com/support/kbdoc/en-hk/00047565…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Dell	Display and Peripheral Manager	Affected: 0 , < Version 2.3 and later (custom)

Date Public

2026-06-16 06:30

Credits

Dell Technologies would like to thank maikroservice for reporting this issue.

Show details on NVD website

JSON

To clipboard

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CVE-2026-47270 (GCVE-0-2026-47270)

Vulnerability from cvelistv5 – Published: 2026-05-27 20:10 – Updated: 2026-05-28 13:25

Title

pam_usb: strtok() race condition in multi-threaded PAM hosts can corrupt deny_remote result

Summary

pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.0, pam_usb is a PAM module loaded into the host process (sudo, login, GDM, GNOME Shell). Display managers such as GDM run multiple concurrent authentication threads. Three functions used by the deny_remote feature called the non-reentrant strtok(), which stores state in a single global pointer. If two authentications race, one thread's strtok() call can overwrite the other's in-progress tokenisation pointer, causing incorrect parsing of the tmux session data or the /proc environ scan that backs the remote-session detection logic. Additionally, pusb_tmux_get_client_tty() passed the raw pointer returned by getenv(TMUX) directly to strtok(). getenv() returns a pointer into the live process environment block; strtok() inserts NUL bytes into that block, permanently corrupting the TMUX variable for subsequent code running in the same process. In long-lived display managers this affects all future authentications in that process. The combined effect can cause deny_remote=true to return an incorrect decision for a remote session, or an incorrect decision for a local session, depending on thread interleaving. This vulnerability is fixed in 0.9.0.

Severity

6.3 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/mcdope/pam_usb/security/adviso…	x_refsource_CONFIRM
https://github.com/mcdope/pam_usb/commit/94f1640a…	x_refsource_MISC
https://github.com/mcdope/pam_usb/commit/d003e551…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
mcdope	pam_usb	Affected: < 0.9.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-47386 (GCVE-0-2026-47386)

Vulnerability from cvelistv5 – Published: 2026-06-23 20:12 – Updated: 2026-06-24 19:17

Title

NocoDB: OAuth Authorization Code Race Condition

Summary

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, two concurrent token-exchange requests using the same OAuth authorization code could each mint a distinct valid (access_token, refresh_token) pair, breaking the single-use guarantee that PKCE relies on. This vulnerability is fixed in 2026.05.1.

Severity

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/nocodb/nocodb/security/advisor…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
nocodb	nocodb	Affected: < 2026.05.1

Show details on NVD website

JSON

To clipboard

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CVE-2026-47741 (GCVE-0-2026-47741)

Vulnerability from cvelistv5 – Published: 2026-05-29 18:02 – Updated: 2026-05-29 19:18

Title

Shopper: Race condition on Discount.usage_limit allows silent over-redemption

Summary

Shopper is a Headless e-commerce Admin Panel. Prior to 2.8.0, CreateOrderFromCartAction::execute previously created the Order row before checking and incrementing the discount's total_use counter. Under concurrent checkout pressure (Black Friday, flash sale, viral coupon), the global usage_limit was silently exceeded: orders were committed with the discount fully applied to price_amount while the counter blocked at usage_limit. The merchant had no signal that an over-redemption had occurred. This vulnerability is fixed in 2.8.0.

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/shopperlabs/shopper/security/a…	x_refsource_CONFIRM
https://github.com/shopperlabs/shopper/issues/510	x_refsource_MISC
https://github.com/shopperlabs/shopper/pull/511	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
shopperlabs	shopper	Affected: < 2.8.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-48066 (GCVE-0-2026-48066)

Vulnerability from cvelistv5 – Published: 2026-05-27 19:57 – Updated: 2026-05-28 12:54

Title

pam_usb: Thread-unsafe static pointer in log.c causes data race under concurrent PAM authentication

Summary

pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, src/log.c contains a process-wide static pointer that is written on every PAM invocation with the address of a stack-local variable. This violates the PAM re-entrancy requirement and creates a data race when the PAM stack is invoked concurrently from multiple threads. This vulnerability is fixed in 0.9.1.

Severity

5.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-476 - NULL Pointer Dereference

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/mcdope/pam_usb/security/adviso…	x_refsource_CONFIRM
https://github.com/mcdope/pam_usb/issues/350	x_refsource_MISC
https://github.com/mcdope/pam_usb/issues/55	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
mcdope	pam_usb	Affected: < 0.9.1

Show details on NVD website

JSON

To clipboard

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CVE-2026-48505 (GCVE-0-2026-48505)

Vulnerability from cvelistv5 – Published: 2026-06-22 21:39 – Updated: 2026-06-23 14:28

Title

Filament: Multi-factor authentication (app) recovery codes can still be used multiple times via concurrent submission

Summary

Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.11.5 and 5.6.5, a flaw in the handling of recovery codes for app-based multi-factor authentication allows the same recovery code to be reused via concurrent submission. This issue does not affect email-based MFA. It also only applies when recovery codes are enabled. If an attacker gains access to both the user's password and their recovery codes, they get two authenticated sessions per recovery code burned instead of one, or more if they batch the parallel submissions wider, materially extending the attacker's window of access compared to what the single-use guarantee implies. This vulnerability is fixed in 4.11.5 and 5.6.5.

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-841 - Improper Enforcement of Behavioral Workflow

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/filamentphp/filament/security/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
filamentphp	filament	Affected: >= 4.0.0, < 4.11.5 Affected: >= 5.0.0, < 5.6.5

Show details on NVD website

JSON

To clipboard

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CVE-2026-48708 (GCVE-0-2026-48708)

Vulnerability from cvelistv5 – Published: 2026-06-15 19:59 – Updated: 2026-06-24 16:45

Title

OliveTin has a Concurrent Template Parsing Race Condition which Leads to Cross-Request Command Contamination

Summary

OliveTin gives access to predefined shell commands from a web interface. In versions 3000.0.0 and prior, the template engine uses a single shared text/template.Template instance (tpl package-level variable in service/internal/tpl/templates.go) across all goroutines. Every action execution calls tpl.Parse(source) followed by t.Execute() on this shared instance with no synchronization. When two or more actions execute concurrently (which is the normal case — each ExecRequest spawns a goroutine), a race condition occurs: one goroutine's Parse overwrites the template tree while another goroutine is calling Execute, causing cross-user command contamination, Go runtime panic, and incorrect command execution. This issue has been resolved in version 3000.13.0.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-567 - Unsynchronized Access to Shared Data in a Multithreaded Context

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/OliveTin/OliveTin/security/adv…	x_refsource_CONFIRM
https://github.com/OliveTin/OliveTin/commit/d74da…	x_refsource_MISC
https://github.com/OliveTin/OliveTin/releases/tag…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
OliveTin	OliveTin	Affected: < 3000.13.0

Show details on NVD website

JSON

To clipboard

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CVE-2026-48982 (GCVE-0-2026-48982)

Vulnerability from cvelistv5 – Published: 2026-06-18 19:01 – Updated: 2026-06-22 17:16

Title

pam_usb: Missing O_EXCL on pad temp file creation allows concurrent update race

Summary

pam_usb provides hardware authentication for Linux using ordinary removable media. In versions prior to 0.9.2, when updating a one-time pad file, a temporary file is created using open() without the O_EXCL flag. Without O_EXCL, the create operation is not atomic: two concurrent processes racing to update the same pad may both succeed in opening the file, with the second write silently overwriting the first. The one-time pad is the core replay-prevention mechanism of pam_usb. A successful race could result in the stored pad value diverging from what either process expected, potentially causing authentication failures or, in a precisely timed attack, creating a window for pad reuse. This issue has been fixed in version 0.9.2.

Severity

5.8 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/mcdope/pam_usb/security/adviso…	x_refsource_CONFIRM
https://github.com/mcdope/pam_usb/releases/tag/0.9.2	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
mcdope	pam_usb	Affected: < 0.9.2

Show details on NVD website

JSON

To clipboard

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Mitigation

Phase: Architecture and Design

Description:

In languages that support it, use synchronization primitives. Only wrap these around critical code to minimize the impact on performance.

Mitigation

Phase: Architecture and Design

Description:

Use thread-safe capabilities such as the data access abstraction in Spring.

Mitigation

Phase: Architecture and Design

Description:

Minimize the usage of shared resources in order to remove as much complexity as possible from the control flow and to reduce the likelihood of unexpected conditions occurring.
Additionally, this will minimize the amount of synchronization necessary and may even help to reduce the likelihood of a denial of service where an attacker may be able to repeatedly trigger a critical section (CWE-400).

Mitigation

Phase: Implementation

Description:

When using multithreading and operating on shared variables, only use thread-safe functions.

Mitigation

Phase: Implementation

Description:

Use atomic operations on shared variables. Be wary of innocent-looking constructs such as "x++". This may appear atomic at the code layer, but it is actually non-atomic at the instruction layer, since it involves a read, followed by a computation, followed by a write.

Mitigation

Phase: Implementation

Description:

Use a mutex if available, but be sure to avoid related weaknesses such as CWE-412.

Mitigation

Phase: Implementation

Description:

Avoid double-checked locking (CWE-609) and other implementation errors that arise when trying to avoid the overhead of synchronization.

Mitigation

Phase: Implementation

Description:

Disable interrupts or signals over critical parts of the code, but also make sure that the code does not go into a large or infinite loop.

Mitigation

Phase: Implementation

Description:

Use the volatile type modifier for critical variables to avoid unexpected compiler optimization or reordering. This does not necessarily solve the synchronization problem, but it can help.

Mitigation ID: MIT-17

Phases: Architecture and Design, Operation

Strategy: Environment Hardening

Description:

Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.

CAPEC-26: Leveraging Race Conditions

The adversary targets a race condition occurring when multiple processes access and manipulate the same resource concurrently, and the outcome of the execution depends on the particular order in which the access takes place. The adversary can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance, a race condition can occur while accessing a file: the adversary can trick the system by replacing the original file with their version and cause the system to read the malicious 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.

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