CWE-837 Improper Enforcement of a Single, Unique Action

base

The product requires that an actor should only be able to perform an action once, or to have only one unique action, but the product does not enforce or improperly enforces this restriction.

01

parent weaknesses

Broader classes this is a kind of.

02

vulnerabilities (21)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2026-105850UShigh8.2—
Payload is a free and open source headless content management system. In @payloadcms/plugin-ecommerce versions before 3.90.0 and canary versions before 4.0.0-canary.34, use of the…
CVE-2026-44601UShigh7.5—
Tor before 0.4.9.7, when circuit queue memory pressure exists, can experience a client crash because of a double close of a circuit, aka TROVE-2026-009.
CVE-2023-6759UShigh7.5—
A vulnerability classified as problematic has been found in Thecosy IceCMS 2.0.1. This affects an unknown part of the file /WebResource/resource of the component Love Handler. The…
CVE-2025-58135USmedium6.5—
Improper action enforcement in certain Zoom Workplace Clients for Windows may allow an unauthenticated user to conduct a disclosure of information via network access.
CVE-2024-4629USmedium6.5—
A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests…
CVE-2025-62784USmedium5.3—
InventoryGui is a library for creating chest GUIs for Bukkit/Spigot plugins. Versions before 1.6.5 contain a vulnerability where any plugin using a GUI with the GuiStorageElement a…
CVE-2025-62782USmedium5.3—
InventoryGui is a library for creating chest GUIs for Bukkit/Spigot plugins. Versions 1.6.3-SNAPSHOT and earlier contain a vulnerability where GUIs using GuiStorageElement can allo…
CVE-2023-6438USmedium5.3—
A vulnerability classified as problematic has been found in Thecosy IceCMS 2.0.1. Affected is an unknown function of the file /WebArticle/articles/ of the component Like Handler. T…
CVE-2026-112285USmedium4.3—
Thelia before 3.1.5 and 3.2.x before 3.2.4 contains a business logic vulnerability that allows authenticated customers to bypass coupon usage limits because usage is counted only w…
CVE-2026-86198USmedium4.2—
PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUS_COMPLETED status during resource pack handling. Malicio…
CVE-2025-62783USmedium4.3—
InventoryGui is a library for creating chest GUIs for Bukkit/Spigot plugins. Versions 1.6.1-SNAPSHOT and earlier contain a vulnerability where any plugin using the `GuiStorageEleme…
CVE-2023-6467USlow3.7—
A vulnerability was found in Thecosy IceCMS 2.0.1. It has been rated as problematic. This issue affects some unknown processing of the file /Websquare/likeClickComment/ of the comp…
CVE-2023-5313USlow3.7—
A vulnerability classified as problematic was found in phpkobo Ajax Poll Script 3.18. Affected by this vulnerability is an unknown functionality of the file ajax-poll.php of the co…
CVE-2024-11716US——
While assignment of a user to a team (bracket) in CTFd should be possible only once, at the registration, a flaw in logic implementation allows an authenticated user to reset it's…
CVE-2026-45734US——
MyBB is free and open source forum software. Prior to 1.8.40, the built-in CAPTCHA does not consistently enforce single-use semantics, allowing remote attackers to bypass CAPTCHA c…
CVE-2026-42609US——
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions)…
CVE-2025-54315US——
The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.
CVE-2024-11301US——
In lunary-ai/lunary before version 1.6.3, the application allows the creation of evaluators without enforcing a unique constraint on the combination of projectId and slug. This all…
CVE-2024-11717US——
Tokens in CTFd used for account activation and password resetting can be used interchangeably for these operations. When used, they are sent to the server as a GET parameter and th…
CVE-2024-12123US——
A hidden field manipulation vulnerability was identified in Issuetrak version 17.1 that could be triggered by an authenticated user.  When an authenticated user submits a ticket,…
03

source

Where this definition is published.

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