IServ Schoolserver User Enumeration

IServ Schoolserver suffers from a user enumeration vulnerability. The vendor does not feel this is an issue...

Dify User Enumeration via Observable Response Discrepancy

Dify is an open-source LLM app development platform. Prior to 1.9.0, responses from the Dify API to existing and non-existent accounts differ, allowing an attacker to enumerate email addresses registered with Dify. Version 1.9.0 fixes the issue. id: CVE-2026-28288 info: name: Dify User Enumeratio...

Stop User Enumeration WordPress plugin - Authentication Bypass

Stop User Enumeration WordPress plugin 1.7.3 contains an authentication bypass caused by URL-encoding the REST API path /wp-json/wp/v2/users/, letting attackers bypass user enumeration restrictions, exploit requires crafted URL encoding. id: CVE-2025-4302 info: name: Stop User Enumeration WordPre...

iTop - User Enumeration via REST Endpoint

From the webservices/rest.php file, several operations are accessible from an unauthenticated user. One of them is doresetpwd, allowing to reset a user password. This feature can be abused to perform user enumeration when a non-existent user is provided. id: CVE-2024-51739 info: name: iTop - User...

Ghost CMS - User Enumeration

Ghost CMS 5.9.4 contains a user enumeration vulnerability in the login functionality. The application reveals whether a user account exists through different error messages, allowing attackers to enumerate valid user accounts via specially-crafted HTTP requests. id: CVE-2022-41697 info: name: Gho...

LiquidFiles < 4.2 - User Enumeration via Password Reset

LiquidFiles filetransfer server before 4.2 contains a user enumeration vulnerability caused by distinguishable responses in password reset functionality, letting unauthenticated attackers enumerate valid user accounts, exploit requires no authentication. id: CVE-2025-56132 info: name: LiquidFiles...

WordPress Stop User Enumeration <=1.3.7 - Cross-Site Scripting

WordPress Stop User Enumeration 1.3.7 and earlier are vulnerable to unauthenticated reflected cross-site scripting. id: CVE-2017-18536 info: name: WordPress Stop User Enumeration =1.3.7 - Cross-Site Scripting author: daffainfo severity: medium description: WordPress Stop User Enumeration 1.3.7 an...

NocoDB - User Enumeration

NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, the password forgot endpoint returned different responses for registered and unregistered emails, allowing user enumeration. This issue has been patched in version 0.301.3. id: CVE-2026-28358 info: name: NocoDB -...

Thinfinity VirtualUI User Enumeration

Thinfinity VirtualUI before v3.0, /changePassword returns different responses for requests depending on whether the username exists. It may enumerate OS users Administrator, Guest, etc. id: CVE-2021-44848 info: name: Thinfinity VirtualUI User Enumeration author: danielmofer severity: medium...

Piwigo - User Enumeration via Password Reset

Piwigo is an open source photo gallery application for the web. In version 15.5.0 and likely earlier 15.x releases, the password reset functionality in Piwigo allows an unauthenticated attacker to determine whether a given username or email address exists in the system. The endpoint at...

TerraMaster TOS < 4.2.06 - User Enumeration

User Enumeration vulnerability in TerraMaster TOS = 4.2.06 allows remote unauthenticated attackers to identify valid users within the system via the username parameter to wizard/initialise.php. id: CVE-2020-28185 info: name: TerraMaster TOS 4.2.06 - User Enumeration author: pussycat0x severity:...

Jira - Incorrect Authorization

Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 is susceptible to an incorrect authorization check in the /rest/api/2/user/picker rest resource, enabling an attacker to enumerate usernames and gain improper access. id: CVE-2019-3403...

CVE-2026-45286

Nextcloud is an open source content collaboration platform. From versions 5.5.13 to before 5.5.17, and 6.2.0 to before 6.2.3, an authenticated user can enumerate users on the same Nextcloud instance by using the Calendar app's endpoint for suggesting attendees. The sharing restrictions, applied t...

CVE-2026-45286 Nextcloud: Calendar app leaked user identifiers via attendee suggestion endpoint

Nextcloud is an open source content collaboration platform. From versions 5.5.13 to before 5.5.17, and 6.2.0 to before 6.2.3, an authenticated user can enumerate users on the same Nextcloud instance by using the Calendar app's endpoint for suggesting attendees. The sharing restrictions, applied t...

CVE-2026-45286

CVE-2026-45286 affects Nextcloud Open Source Content Collaboration Platform. An authenticated user could enumerate other users on the same instance by abusing the Calendar app’s endpoint for suggesting attendees; standard sharing restrictions did not apply to that endpoint. Impacted versions are ...

CVE-2026-45286

Nextcloud is an open source content collaboration platform. From versions 5.5.13 to before 5.5.17, and 6.2.0 to before 6.2.3, an authenticated user can enumerate users on the same Nextcloud instance by using the Calendar app's endpoint for suggesting attendees. The sharing restrictions, applied t...

PT-2026-45530

Nextcloud is an open source content collaboration platform. From versions 5.5.13 to before 5.5.17, and 6.2.0 to before 6.2.3, an authenticated user can enumerate users on the same Nextcloud instance by using the Calendar app's endpoint for suggesting attendees. The sharing restrictions, applied t...

YAMCS yamcs-core 5.12.7 - User Enumeration

Exploit Title: YAMCS yamcs-core 1 else "http://localhost:8090" username = sys.argv2 if lensys.argv 2 else "testuser" password = sys.argv3 if lensys.argv 3 else "test" base = target.rstrip"/" print"=" 65 print" CVE-2026-44595 — YAMCS IAM User Enumeration PoC" printf" Target: target" printf"...

Yamcs security vulnerabilities

Yamcs is an open-source software framework developed by Yamcs. It is used for commanding and controlling spacecraft, satellites, payloads, ground stations, and ground equipment. Yamcs has a security vulnerability that stems from allowing enumeration of users...

CVE-2026-45294 FreeScout: User Account Enumeration via Password Reset Response Differentiation

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.219, the password reset endpoint returns visually distinct responses depending on whether the submitted email address belongs to an existing user account, allowing unauthenticated attackers to enumerat...