CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

CVE-2026-30529

CVE-2026-30529 affects SourceCodester Online Food Ordering System v1.0, specifically in Actions.php (save_user action). The vulnerability arises from improper sanitization of the username parameter, enabling an authenticated attacker to inject malicious SQL commands. Connected sources confirm the...

UBUNTU-CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

UBUNTU-CVE-2026-27860

If authusernamechars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out authusernamechars, or install fixed version. No publicly available exploits are...

GO-2026-4820 FileBrowser Quantum has Username Enumeration via Authentication Timing Side-Channel in github.com/gtsteffaniak/filebrowser/backend

FileBrowser Quantum has Username Enumeration via Authentication Timing Side-Channel in github.com/gtsteffaniak/filebrowser/backend...

Use of Incorrectly-Resolved Name or Reference

Overview @openclaw/synology-chat is a Synology Chat channel plugin for OpenClaw Affected versions of this package are vulnerable to Use of Incorrectly-Resolved Name or Reference via the webhook-handler process. An attacker can redirect message replies to an unintended user by exploiting mutable...

OpenClaw: Synology Chat reply delivery could be rebound through username-based user resolution.

Summary Synology Chat reply delivery could rebind to a mutable username match instead of the stable numeric userid recorded by the webhook event. Affected Packages / Versions - Package: openclaw npm - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2...

Use of Incorrectly-Resolved Name or Reference

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Use of Incorrectly-Resolved Name or Reference via the webhook-handler process. An attacker can redirect message replies to an unintended user by exploiting mutable username resolution...

GHSA-WV46-V6XC-2QHF OpenClaw: Synology Chat reply delivery could be rebound through username-based user resolution.

Summary Synology Chat reply delivery could rebind to a mutable username match instead of the stable numeric userid recorded by the webhook event. Affected Packages / Versions - Package: openclaw npm - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2...

CVE-2025-67038

An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The HTTP RPC module executes a shell command to write logs when user's authantication fails. The username is directly concatenated with the command without any sanitization. This allow attackers to inject arbitrary OS commands into the...

CVE-2025-13460

IBM Aspera Console 3.3.0 through 3.4.8 could allow an attacker to enumerate usernames due to an observable response discrepancy...

CVE-2026-30876

Chamilo LMS is a learning management system. Prior to version 1.11.36, Chamilo is vulnerable to user enumeration with valid/invalid username. This issue has been patched in version 1.11.36...

CVE-2026-32702

Cleanuparr is a tool for automating the cleanup of unwanted or blocked files in Sonarr, Radarr, and supported download clients like qBittorrent. From 2.7.0 to 2.8.0, the /api/auth/login endpoint contains a logic flaw that allows unauthenticated remote attackers to enumerate valid usernames by...

CVE-2026-33303

OpenEMR is a free and open source electronic health records and medical practice management application. Versions prior to 8.0.0.2 are vulnerable to stored cross-site scripting XSS via unescaped portalloginusername in the portal credential print view. A patient portal user can set their login...

CVE-2026-33688

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the password recovery endpoint at objects/userRecoverPass.php performs user existence and account status checks before validating the captcha. This allows an unauthenticated attacker to enumerate valid usernames a...

CVE-2026-33323

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.51 and 9.6.0-alpha.40, the Pages route and legacy PublicAPI route for resending email verification links return distinguishable responses depending on whether the provided...

CVE-2026-4014

A security flaw has been discovered in itsourcecode Cafe Reservation System 1.0. This impacts an unknown function of the file /curvus2/signup.php of the component Registration. Performing a manipulation of the argument Username results in sql injection. Remote exploitation of the attack is...

CVE-2026-4581

A weakness has been identified in code-projects Simple Laundry System 1.0. Affected is an unknown function of the file /checklogin.php of the component Parameters Handler. This manipulation of the argument Username causes sql injection. The attack is possible to be carried out remotely. The explo...

CVE-2019-25464

InputMapper 1.6.10 contains a buffer overflow vulnerability in the username field that allows local attackers to crash the application by entering an excessively long string. Attackers can trigger a denial of service by copying a large payload into the username field and double-clicking to proces...

CVE-2019-25466

Easy File Sharing Web Server 7.2 contains a local structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by creating a malicious username. Attackers can craft a username with a payload containing 4059 bytes of padding followed by a nseh...