RLSA-2026:19149 Important: dovecot security update

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fixes: doveco...

📄 strongSwan 5.9.13 Denial of Service

strongSwan version 5.9.13 suffers from a denial of service vulnerability. Exploit Title: strongSwan 5.9.13 - DoS Date: 2026-05-13 Exploit Author: Lukas Johannes Moeller Vendor Homepage: https://www.strongswan.org/ Software Link: https://download.strongswan.org/strongswan-5.9.13.tar.bz2 Version:...

📄 strongSwan 5.9.13 Buffer Overflow

strongSwan version 5.9.13 suffers from a pre-authentication heap buffer overflow vulnerability. Exploit Title: strongSwan 5.9.13 - heap buffer overflow Date: 2026-05-13 Exploit Author: Lukas Johannes Moeller Vendor Homepage: https://www.strongswan.org/ Software Link:...

strongSwan 5.9.13 - libsimaka EAP-SIM/AKA heap buffer overflow

Exploit Title: strongSwan 5.9.13 - heap buffer overflow Date: 2026-05-13 Exploit Author: Lukas Johannes Moeller Vendor Homepage: https://www.strongswan.org/ Software Link: https://download.strongswan.org/strongswan-5.9.13.tar.bz2 Version: strongSwan length 4 - 4 without guarding against hdr-lengt...

CVE-2026-45344 LinkAce: Setup database password newline injection enables pre-auth RCE on uninitialized instances

LinkAce is a self-hosted archive to collect website links. Prior to 2.5.6, the setup database configuration flow on uninitialized LinkAce instances accepts attacker-controlled database credential fields and writes them back into .env without escaping. A remote attacker who can reach the setup...

SUSE CVE-2026-48847

Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass...

PT-2026-44151

Name of the Vulnerable Software and Affected Versions asyncssh versions 2.22.0 through 2.23.0 Description An issue exists during pre-authentication server configuration reload where the %u token in the AuthorizedKeysFile setting is expanded using the raw SSH username without rejecting path...

CVE-2026-47202

Kavita (cross‑platform reading server) before version 0.9.0.2 is affected by an improper token validation flaw that allows a remote, unauthenticated attacker to obtain a JWT for any user, including admins, given knowledge of the username. The issue stems from inadequate validation of tokens and i...

CVE-2026-47202 Kavita: Pre-Auth Account Takeover

Kavita is a cross platform reading server. Prior to 0.9.0.2, an Improper Token validation flaw permits a remote and unauthenticated threat actor to request a JWT for any user including admins given knowledge of their username. This vulnerability is fixed in 0.9.0.2...

CVE-2026-47202 Kavita: Pre-Auth Account Takeover

Kavita is a cross platform reading server. Prior to 0.9.0.2, an Improper Token validation flaw permits a remote and unauthenticated threat actor to request a JWT for any user including admins given knowledge of their username. This vulnerability is fixed in 0.9.0.2...

CVE-2026-45721 Algernon: handler.lua discovery walks parent directories above the server root

Algernon is a small self-contained pure-Go web server. Prior to 1.17.7, when Algernon is asked for any URL path that resolves to a directory without an index file, DirPage walks upward through parent directories — past the configured server root — looking for a file named handler.lua to execute a...

CVE-2026-48847

Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass...

CVE-2026-48842

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuserquery plugin via a pregreplace backslash escape bypass...

Exploit for Deserialization of Untrusted Data in Facebook React

CVE-2025-55182 — React2Shell Unauthenticated RCE in React Ser...

dovecot: denial of service via crafted message before authentication

A flaw was found in dovecot. An unauthenticated and remote attacker can send a crafted message that causes managesieve to allocate an excessive amount of memory, forcing managesieve-login to be unavailable by repeatedly crashing the process, resulting in a denial of service...

GHSA-XWCR-WM99-G9JC Algernon: handler.lua discovery walks parent directories above the server root

Summary When Algernon is asked for any URL path that resolves to a directory without an index file, DirPage walks upward through parent directories — past the configured server root — looking for a file named handler.lua to execute as the request handler. The loop terminates only after 100 ancest...

RHEL 10 : dovecot (RHSA-2026:19149)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:19149 advisory. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3...

PT-2026-41968

Name of the Vulnerable Software and Affected Versions Mailpit versions prior to 1.30.0 Description Unauthenticated remote attackers can cause a denial of service DoS by sending arbitrarily large messages via the SMTP server or the HTTP API. The SMTP server fails to assign a value to the...

CVE-2026-45829

A flaw was found in the ChromaDB Python project. This pre-authentication code injection vulnerability allows an unauthenticated attacker to execute arbitrary code on the server. The attacker can achieve this by sending a malicious model repository to the...

PT-2026-41771

Name of the Vulnerable Software and Affected Versions Dozzle versions prior to 10.5.2 Description In default deployments where no DOZZLE AUTH PROVIDER is set, the endpoint 'POST /api/notifications/test-webhook' is accessible without authentication. This allows an unauthenticated attacker to perfo...