CVE-2026-27890 Firebird has Pre-Auth DOS when Processing Out of Order CNCT_specific_data Segments

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when processing CNCTspecificdata segments during authentication, the server assumes segments arrive in strictly ascending order. If segments arrive out of order, the Array class's grow...

CVE-2026-27890 Firebird has Pre-Auth DOS when Processing Out of Order CNCT_specific_data Segments

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when processing CNCTspecificdata segments during authentication, the server assumes segments arrive in strictly ascending order. If segments arrive out of order, the Array class's grow...

SUSE CVE-2026-3505

Allocation of resources without limits or throttling, Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all pg modules. This vulnerability is associated with program files AEADEncDataPacket.Java, BcAEADUtil.Java, JceAEADUtil.Java,...

FortiClient EMS CVE-2026-21643 exposure detection

Conservatively detects likely exposure to CVE-2026-21643 by checking that FortiClient EMS is exposed, that /api/v1/initconsts is reachable without authentication, that SITESENABLED appears true, and that the visible version is exactly 7.4.4. No SQL injection payloads are sent. !/usr/bin/env pytho...

PT-2026-33509

Name of the Vulnerable Software and Affected Versions xrdp versions prior to 0.10.6 Description An open source RDP server contains a heap-based buffer overflow in the EGFX graphics dynamic virtual channel implementation. This occurs due to insufficient validation of client-controlled size...

PT-2026-33507

Name of the Vulnerable Software and Affected Versions xrdp versions prior to 0.10.6 Description An out-of-bounds read exists in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can trigger this flaw by sending a specially crafted sequence of packets during the...

xrdp security vulnerabilities

XRDPT is an open-source remote desktop protocol server developed by Neutrinolabs. Versions of XRDPT prior to 0.10.5 contain security vulnerabilities. These vulnerabilities stem from the RDP message parsing logic before authentication, which involves out-of-bound reads. This could lead to...

Exploit for CVE-2026-39987

CVE-2026-39987 — Marimo Python Notebook Pre-Authenticated Remo...

PT-2026-50527

Name of the Vulnerable Software and Affected Versions libssh2 versions prior to 1.11.1 Description A pre-authentication denial of service issue exists in the SSH MSG EXT INFO handler within src/packet.c. A malicious SSH server can trigger a CPU exhaustion loop on the client by sending a crafted...

Exploit for CVE-2026-39987

CVE-2026-39987 | Marimo Pre-Auth RCE Exploit Military Grade...

Exploit for Improper Access Control in Fortinet Forticlientems

CVE-2026-35616 - FortiClient EMS Pre-Authentication API Bypass...

Exploit for CVE-2026-39987

markdown CVE-2026-39987 - Marimo Este script es SOLO para f...

Ubuntu 18.04 LTS / 20.04 LTS : MongoDB vulnerability (USN-8160-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8160-1 advisory. It was discovered that MongoDB incorrectly handled length parameters in zlib-compressed network messages prior to authentication. An unauthenticated...

Exploit for CVE-2026-22557

CVE-2026-22557 -- UniFi Network Application Pre-Auth Path Trav...

CVE-2026-35665 OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending...

CVE-2026-35665 OpenClaw < 2026.3.24 - Denial of Service via Feishu Webhook Pre-Auth Body Parsing

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending...

GHSA-2J53-2C28-G9V2 Duplicate Advisory: OpenClaw: Nostr inbound DMs could trigger unauthenticated crypto work before sender policy enforcement

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-65h8-27jh-q8wv. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 performs cryptographic and dispatch operations on inbound Nostr direct messages before...

EUVD-2026-21144

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts,...

GHSA-59XC-5V89-R7PR Duplicate Advisory: OpenClaw: Synology Chat Webhook Pre-Auth Rate-Limit Bypass Enables Brute-Force Guessing of Webhook Token

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mf5g-6r6f-ghhm. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation...

CVE-2026-34424

Smart Slider 3 Pro version 3.5.1.35 for WordPress and Joomla contains a multi-stage remote access toolkit injected through a compromised update system that allows unauthenticated attackers to execute arbitrary code and commands. Attackers can trigger pre-authentication remote shell execution via...