Linux Distros Unpatched Vulnerability : CVE-2026-27855

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP...

EUVD-2026-16674

A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php file specifically the saveuser action. The application fails to properly sanitize user input supplied to the "username" parameter. This allows an authenticated attacker to inject malicious S...

EUVD-2026-16676

A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php file specifically the savecustomer action. The application fails to properly sanitize user input supplied to the "username" parameter. This allows an attacker to inject malicious SQL command...

CVE-2018-25201

School Management System CMS 1.0 contains an SQL injection vulnerability in the admin login functionality that allows attackers to bypass authentication by injecting SQL code through the username parameter. Attackers can submit malicious payloads using boolean-based blind SQL injection techniques...

CVE-2026-30529

A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Actions.php file specifically the saveuser action. The application fails to properly sanitize user input supplied to the "username" parameter. This allows an authenticated attacker to inject malicious S...

GHSA-F346-8RP3-4H9H TSPortal's Uncontrolled User Creation via Validation Side Effects Leads to Potential Denial of Service

Summary A flaw in TSPortal allowed attackers to create arbitrary user records in the database by abusing validation logic. While validation correctly rejected invalid usernames, a side effect within a validation rule caused user records to be created regardless of whether the request succeeded...

EUVD-2026-16595

Vulnerable versions of Coverity Connect lack an error handler in the authentication logic for command line tooling that makes it vulnerable to an authentication bypass. A malicious actor with access to the /token API endpoint that either knows or guesses a valid username, can use this in a...

CVE-2026-24031

A flaw was found in Dovecot. When the authusernamechars configuration is cleared by an administrator, it creates an authentication bypass vulnerability. This allows a remote attacker to gain unauthorized access to user accounts and enumerate valid usernames...

CVE-2026-1496

Vulnerable versions of Coverity Connect lack an error handler in the authentication logic for command line tooling that makes it vulnerable to an authentication bypass. A malicious actor with access to the /token API endpoint that either knows or guesses a valid username, can use this in a...

CVE-2026-1496 Coverity CLI Authentication Bypass

Vulnerable versions of Coverity Connect lack an error handler in the authentication logic for command line tooling that makes it vulnerable to an authentication bypass. A malicious actor with access to the /token API endpoint that either knows or guesses a valid username, can use this in a...

CVE-2026-1496 Coverity CLI Authentication Bypass

Vulnerable versions of Coverity Connect lack an error handler in the authentication logic for command line tooling that makes it vulnerable to an authentication bypass. A malicious actor with access to the /token API endpoint that either knows or guesses a valid username, can use this in a...

SUSE CVE-2019-25544

Pidgin 2.13.0 contains a denial of service vulnerability that allows local attackers to crash the application by providing an excessively long username string during account creation. Attackers can input a buffer of 1000 characters in the username field and trigger a crash when joining a chat,...

EUVD-2026-16563

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...

EUVD-2026-16561

Dovecot SQL based authentication can be bypassed when authusernamechars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear authusernamechars. If this is not possible, install latest fixed version. No publicly available exploits...

ALPINE-CVE-2026-24031

Dovecot SQL based authentication can be bypassed when authusernamechars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear authusernamechars. If this is not possible, install latest fixed version. No publicly available exploits...

ALPINE-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-2026-24031

Dovecot SQL based authentication can be bypassed when authusernamechars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear authusernamechars. If this is not possible, install latest fixed version. No publicly available exploits...

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...

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...

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...