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...

PT-2026-41968

Name of the Vulnerable Software and Affected Versions Mailpit affected versions not specified 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 application fails to enforce limits on the...

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...

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...

RHEL 10 : dovecot (RHSA-2026:17602)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:17602 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...

SUSE CVE-2026-42859

Neat VNC is a VNC server library. Prior to 0.9.6, a pre-authentication stack buffer overflow exists in neatvnc in the RSA-AES security type handler. An unauthenticated remote attacker who can reach the VNC listening socket can send a crafted security type 5 RSA-AES or security type 129 RSA-AES-25...

dnsmasq_2.92_pocs

dnsmasq 2.92 — Proof of Concepts Self-contained reproduction...

CVE-2026-42859 Neat VNC: Buffer overflow due to oversized RSA public keys

Neat VNC is a VNC server library. Prior to 0.9.6, a pre-authentication stack buffer overflow exists in neatvnc in the RSA-AES security type handler. An unauthenticated remote attacker who can reach the VNC listening socket can send a crafted security type 5 RSA-AES or security type 129 RSA-AES-25...

Exploit for SQL Injection in Litellm

CVE-2026-42208 — LiteLLM Pre-Auth SQL Injection Timing PoC Lo...

CVE-2026-42189 Russh: Pre-auth DoS via unbounded allocation in keyboard-interactive auth

Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service vulnerability exists in the server's keyboard-interactive authentication handler. A malicious client can crash any russh-based server that implements keyboard-interactive auth e.g., for...

CVE-2026-42189 Russh: Pre-auth DoS via unbounded allocation in keyboard-interactive auth

Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service vulnerability exists in the server's keyboard-interactive authentication handler. A malicious client can crash any russh-based server that implements keyboard-interactive auth e.g., for...

CVE-2026-42189 Russh: Pre-auth DoS via unbounded allocation in keyboard-interactive auth

Russh is a Rust SSH client & server library. Prior to version 0.60.1, a pre-authentication denial-of-service vulnerability exists in the server's keyboard-interactive authentication handler. A malicious client can crash any russh-based server that implements keyboard-interactive auth e.g., for...

CVE-2026-28221 Wazuh: Pre-auth stack-based buffer overflow in wazuh-remoted print_hex_string() due to signed char promotion on x86_64

Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.8.0 to before version 4.14.4, a stack-based buffer overflow exists in printhexstring in wazuh-remoted. The bug is triggered when formatting attacker-controlled bytes using sprintfdstbuf +...

PT-2026-35728

CVE-2026-29017: Atlassian Confluence OGNL Injection — Pre-Auth RCE https://t.co/kcWQ5p0sYk anthropic aisecurity alert cybersecurity...

Exploit for Deserialization of Untrusted Data in Facebook React

CVE-2025-55182 Research Repository !License: MIThttps://i...