CVE-2026-35512 xrdp: Heap buffer overflow in EGFX channel

xrdp is an open source RDP server. Versions through 0.10.5 have a heap-based buffer overflow in the EGFX graphics dynamic virtual channel implementation due to insufficient validation of client-controlled size parameters, allowing an out-of-bounds write via crafted PDUs. Pre-authentication...

EUVD-2026-23519

xrdp is an open source RDP server. Versions through 0.10.5 have a heap-based buffer overflow in the EGFX graphics dynamic virtual channel implementation due to insufficient validation of client-controlled size parameters, allowing an out-of-bounds write via crafted PDUs. Pre-authentication...

EUVD-2026-22855

Allocation of resources without limits or throttling vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all pg modules.This issue affects BC-JAVA: before 1.84. Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion...

GHSA-CJ8J-37RH-8475 Bouncy Castle Uncontrolled Resource Consumption vulnerability

Allocation of resources without limits or throttling vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all pg modules. This issue affects BC-JAVA before 1.84. Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion...

CVE-2026-27890

Firebird CVE-2026-27890 is a pre-auth DoS flaw. In versions prior to 5.0.4, 4.0.7 and 3.0.14, during authentication the server assumes CNCT_specific_data segments arrive in strictly ascending order. If segments arrive out of order, the Array.grow() method computes a negative size, causing a SIGSE...

DEBIAN-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,...

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,...

CVE-2026-3505 Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.

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,...

CVE-2026-3505 Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.

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,...

CVE-2026-3505 Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.

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,...

EUVD-2026-21112

OpenClaw before 2026.3.22 performs cryptographic and dispatch operations on inbound Nostr direct messages before enforcing sender and pairing policy validation. Attackers can trigger unauthorized pre-authentication computation by sending crafted DM messages, enabling denial of service through...

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-2026-39987

CVE-2026-39987 — Marimo WebSocket terminal endpoint unauthenticated pre-auth RCE. The vulnerability resides in the terminal WebSocket at /terminal/ws, which accepts connections without authenticating, unlike the /ws endpoint that invokes validate_auth(). An unauthenticated client can obtain a ful...

CVE-2026-39987 marimo Affected by Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

marimo is a reactive Python notebook. Prior to 0.23.0, Marimo has a Pre-Auth RCE vulnerability. The terminal WebSocket endpoint /terminal/ws lacks authentication validation, allowing an unauthenticated attacker to obtain a full PTY shell and execute arbitrary system commands. Unlike other WebSock...

CVE-2026-39337 ChurchCRM Affected by Unauthenticated RCE in Install Wizard

ChurchCRM is an open-source church management system. Prior to 7.1.0, critical pre-authentication remote code execution vulnerability in ChurchCRM's setup wizard allows unauthenticated attackers to inject arbitrary PHP code during the initial installation process, leading to complete server...

CVE-2026-35537

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data...

OpenClaw: LINE webhook handler lacks shared pre-auth concurrency budget before signature verification

Summary LINE webhook handler lacks shared pre-auth concurrency budget before signature verification Current Maintainer Triage - Status: open - Normalized severity: low - Assessment: Shipped v2026.3.28 lacks a shared pre-auth concurrency budget on the public LINE webhook path, but the effect is...

ThreatsDay Bulletin: Pre-Auth Chains, Android Rootkits, CloudTrail Evasion & 10 More Stories

The latest ThreatsDay Bulletin is basically a cheat sheet for everything breaking on the internet right now. No corporate fluff or boring lectures here, just a quick and honest look at the messy reality of keeping systems safe this week. Things are moving fast. The list includes researchers...

Duplicate Advisory: OpenClaw has Bypass in Webhook Rate Limiting via Pre-Authentication Secret Validation

Duplicate Advisory This advisory has been withdrawn because CVE-2026-34508 has been rejected as a duplicate of CVE-2026-34505. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.12 applies rate limiting only after webhook authentication succeeds,...

CVE-2026-34505 OpenClaw < 2026.3.12 - Webhook Rate Limiting Bypass via Pre-Authentication Secret Validation

OpenClaw before 2026.3.12 applies rate limiting only after successful webhook authentication, allowing attackers to bypass rate limits and brute-force webhook secrets. Attackers can submit repeated authentication requests with invalid secrets without triggering rate limit responses, enabling...