56 matches found
SSH_Enum_CVE-2018-15473
SSH Username Enumeration Exploit This script is a modified version of an original exploit that allows enumeration of SSH users on vulnerable servers OpenSSH 2.3 -u To enumerate users from a list: python CVE-2018-15473.py -w 4. The script will display the results in the console. Requirements Pytho...
CVE-2020-35846
CVE-2020-35846 - Leak Cockpit Usernames PoC John Hammond | Sunday, July 25th, 2021 Proof-of-concept Python script to leak Cockpit usernames with CVE-2020-35846...
CVE-2018-15473-User-Enumeration-
CVE-2018-15473 – SSH Username Enumeration A Python tool developed by me to identify valid SSH usernames by exploiting CVE-2018-15473. Target Information Service: SSH Version: OpenSSH 5.8p1 Debian 1ubuntu3 Operating System: Ubuntu Linux Protocol: SSH-2.0 Assessment: Tested for CVE-2018-15473 SSH...
EUVD-2025-210910
The self-registration flow accepts user-supplied input for usernames without adequately preventing the disclosure of username existence. When a user attempts to register with an existing username, the system responds with an error message that explicitly indicates the username is already in use...
SUSE CVE-2026-27656
Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...
Zabbix 6.0.x < 6.0.41 / 7.0.x < 7.0.17 / 7.2.x < 7.2.11 Information Disclosure (ZBX-27060)
The version of Zabbix Server installed on the remote host is affected by a vulnerability. A regular Zabbix user can search other users in their user group via Zabbix API by select fields the user does not have access to view. This allows data-mining some field values the user does not have access...
GHSA-FG35-5RF6-QG3G Mattermost allows attackers to take over arbitrary user accounts via overly permissive substring matching flaw
Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...
Mattermost allows attackers to take over arbitrary user accounts via overly permissive substring matching flaw
Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...
EUVD-2026-15805
Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...
CVE-2026-27656
Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...
CVE-2026-27656
Mattermost contains a vulnerability (CVE-2026-27656) where versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, and 10.11.x
CVE-2026-27656
Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...
CVE-2026-27656 Account Takeover via Substring Matching in OpenID Connect Authentication
Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...
CVE-2026-27656 Account Takeover via Substring Matching in OpenID Connect Authentication
Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...
PT-2026-27989
Name of the Vulnerable Software and Affected Versions Mattermost versions 11.4.0 and earlier, 11.3.1 and earlier, 11.2.3 and earlier, 10.11.11 and earlier Description The software does not properly validate user identity within the OpenID IsSameUser comparison logic. This flaw, stemming from over...
CVE-2022-26643
An issue in EasyIO CPT Graphics v0.8 allows attackers to discover valid users in the application...
CVE-2026-21880
Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below have an LDAP Injection vulnerability in the LDAP authentication mechanism. User-supplied input is directly substituted into LDAP search filters without proper sanitization, allowing attackers to...
CVE-2025-64528
Discourse is an open source discussion platform. Prior to versions 3.5.3, 2025.11.1, and 2025.12.0, an attacker who knows part of a username can find the user and their full name via UI or API, even when enablenames is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix...