CWE-837— Improper Enforcement of a Single, Unique Action
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.— MITRE CWE catalog
19 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-837page 1 of 1
- CVE-2026-105850HIGHCVSS 8.8EG 8.82026-10-06
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 Stripe payment adapter can allow a Stripe order confirmatio…
- CVE-2026-42609HIGHCVSS 8.1EG 8.12026-05-11
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) to overwrite existing accounts, including the primary admin…
- CVE-2023-6759HIGHCVSS 7.5EG 7.52023-12-13
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 manipulation leads to improper enforcement of a single, uni…
- CVE-2025-54315HIGHCVSS 7.1EG 7.12025-10-02
The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.
- CVE-2024-11301MEDIUMCVSS 6.5EG 6.52025-03-20
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 allows an attacker to overwrite existing data by submitting a …
- CVE-2024-4629MEDIUMCVSS 6.5EG 6.52024-09-03
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 simultaneously, attackers can exceed the configured limits…
- CVE-2024-11717MEDIUMCVSS 6.3EG 6.32025-01-02
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 they are not single use, which means, that during token expir…
- CVE-2026-45734MEDIUMCVSS 5.3EG 5.32026-08-18
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 controls through challenge replay. The successful validation…
- CVE-2025-62784MEDIUMCVSS 5.3EG 5.32025-10-27
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 and allows taking out items out of that element can allow it…
- CVE-2025-62782MEDIUMCVSS 5.3EG 5.32025-10-27
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 allow item duplication when the experimental Bundle item featur…
- CVE-2025-58135MEDIUMCVSS 5.3EG 5.32025-09-09
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-2024-11716MEDIUMCVSS 5.3EG 5.32025-01-02
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 bracket and then pick a new one, joining another team whi…
- CVE-2024-12123MEDIUMCVSS 5.3EG 5.32024-12-04
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, the request can be intercepted and subsequently modified b…
- CVE-2023-6438MEDIUMCVSS 5.3EG 5.32023-11-30
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. The manipulation leads to improper enforcement of a single, …
- CVE-2023-5313MEDIUMCVSS 3.7EG 5.32023-09-30
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 component Poll Handler. The manipulation leads to improper en…
- CVE-2025-62783MEDIUMCVSS 4.3EG 4.32025-10-27
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 `GuiStorageElement can allow item duplication when the experimental Bundle…
- CVE-2026-86198MEDIUMCVSS 4.2EG 4.22026-09-09
PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUS_COMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly …
- CVE-2026-44601LOWCVSS 3.7EG 3.72026-05-07
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-2023-6467LOWCVSS 3.7EG 3.72023-12-02
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 component Comment Like Handler. The manipulation leads to impro…
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