CVE-2026-39893 Cacti: Pre-authentication SQL injection via rfilter RLIKE clause in graph_view.php

Cacti is an open source performance and fault management framework. In versions 1.2.30 and prior, the rfilter request variable was concatenated into a RLIKE SQL clause without sanitization. The endpoint does not require authentication graph viewing supports guest access via the configured guest...

CVE-2026-45689 Rocket.Chat: Pre-Auth NoSQL Injection in OAuth2 Token Endpoint leading to Arbitrary User ATO

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, an unauthenticated network attacker obtains a valid Rocket.Chat OAuth access token for an arbitrary user by sending a single HTTP POST with...

CVE-2026-45688

The CVE-2026-45688 entry describes a pre-auth NoSQL injection in Rocket.Chat’s CAS login handler. Before versions 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, the handler forwards client-supplied options.cas.credentialToken directly into a MongoDB findOne({_id: …}) query without...

CVE-2026-45688 Rocket.Chat: Pre-Auth NoSQL Injection in CAS Login Handler leading to Arbitrary CAS/SAML User Session Hijack

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's CAS login handler forwards the client-supplied options.cas.credentialToken value straight into a MongoDB findOneid: ... query...

GHSA-6C99-87FR-6Q7R OpenAM: Pre-auth RCE via Java Deserialization in WebAuthn Authenticator Storage

Summary Description A deserialization of untrusted data vulnerability CWE-502 exists in OpenAM's WebAuthn authentication module. Under certain conditions, this may allow an attacker to achieve arbitrary code execution in the context of the application server. This affects OpenAM Community Edition...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, an unvalidated authlength field read from the network triggered a WINPRASSERT failure in rtsreadauthverifiernochecks, causing any FreeRDP client connecting through a malicious RDP Gateway to crash with...

Exploit for CVE-2026-48908

CVE-2026-48908 — SP Page Builder Unauthenticated RCE SP Pag...

The vulnerabilities in libssh2 are addressed through libssh.

LibSSH has vulnerabilities in libssh2, including versions up to 1.11.1. The first vulnerability involves a denial-of-service attack during the pre-authentication phase, within the SSHMSGEXTINFO handler. A malicious SSH server can send a specially constructed extensioncount value, causing the clie...

PT-2026-52137

Name of the Vulnerable Software and Affected Versions Cacti versions prior to 1.2.31 Description An unauthenticated attacker can inject arbitrary SQL to compromise the confidentiality, integrity, and availability of the database. This occurs because the rfilter request parameter is retrieved via...

PT-2026-52128

Name of the Vulnerable Software and Affected Versions Cacti versions prior to 1.2.31 Description An issue exists where the rfilter request variable is concatenated into a RLIKE SQL clause without proper sanitization. This allows for a pre-authentication SQL injection SQLi on installations where...

PT-2026-52138

Name of the Vulnerable Software and Affected Versions Cacti versions prior to 1.2.31 Description Cacti is an open source performance and fault management framework. The software contains a pre-authentication SQL Injection flaw in the 'graph view.php' endpoint. This issue occurs due to an unanchor...

CVE-2026-53753 Crawl4AI: AST Sandbox Escape via gi_frame.f_back Chain - Pre-Auth RCE in Docker API

Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.7, the safeevalexpression function in the computed fields feature uses an AST validator that only blocks attributes starting with underscore. Python generator and frame object attributes giframe, fback, fbuiltins do NOT...

GHSA-FHRQ-3GMX-P879 OpenAM SAML2 Cluster Cookie-Hash-Redirect Path has Pre-authentication Reflected XSS via `FSUtils.postToTarget`

Summary Certain federation endpoints do not consistently apply output encoding when rendering user-supplied parameters into HTML responses. Under a non-default configuration used in some clustered deployments, this inconsistency can result in reflected XSS in the OpenAM origin without...

CVE-2026-42127 Pre-authentication denial of service in the public dashboard query endpoint

The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access tok...

CVE-2026-42127 Pre-authentication denial of service in the public dashboard query endpoint

The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access tok...

Linux Distros Unpatched Vulnerability : CVE-2026-55199

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SSHMSGEXTINFO handler in src/packet.c that...

CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake

Impact An unauthenticated remote attacker can pin one server thread‑pool worker at 100 % CPU per connection. With a few connections, the CPU usage can be exhausted. Preconditions An attacker being able to reach a service which is exposing an endpoint using one of NetTcpBinding, NetNamedPipeBindin...

GHSA-P86G-XRR2-PF7C CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake

Impact An unauthenticated remote attacker can pin one server thread‑pool worker at 100 % CPU per connection. With a few connections, the CPU usage can be exhausted. Preconditions An attacker being able to reach a service which is exposing an endpoint using one of NetTcpBinding, NetNamedPipeBindin...

SUSE CVE-2026-55199

libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SSHMSGEXTINFO handler in src/packet.c that allows a malicious SSH server to cause a client CPU exhaustion loop by sending a crafted extension count value. A malicious server can s...

CVE-2026-55199

libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SSHMSGEXTINFO handler in src/packet.c that allows a malicious SSH server to cause a client CPU exhaustion loop by sending a crafted extension count value. A malicious server can s...