CVE-2026-39948

Cacti is an open source performance and fault management framework. In versions 1.2.30 and prior, the rfilter request parameter is retrieved via the raw accessor grv rather than gfrv with FILTERVALIDATEISREGEX validation and concatenated directly into RLIKE SQL clauses in lib/htmlgraph.php and...

CVE-2026-39955 Cacti has Pre-Authentication SQL Injection via unanchored FILTER_VALIDATE_REGEXP in graph_view.php

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have pre-authentication SQL Injection via unanchored FILTERVALIDATEREGEXP in graphview.php. This issue has been fixed in version 1.2.31...

CVE-2026-39955

CVE-2026-39955 affects Cacti up to version 1.2.30, with a pre-authentication SQL injection caused by an unanchored FILTER_VALIDATE_REGEXP in graph_view.php. The issue is fixed in version 1.2.31. Impact centers on unauthorized access to potentially sensitive data before authentication; exploitatio...

CVE-2026-39955

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have pre-authentication SQL Injection via unanchored FILTERVALIDATEREGEXP in graphview.php. This issue has been fixed in version 1.2.31...

CVE-2026-39893

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...

DEBIAN-CVE-2026-39893

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-2026-39893 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-2026-39893

Cacti is affected by a pre-auth SQL injection in versions up to 1.2.30 via the rfilter input concatenated into a RLIKE clause in graph_view.php. The vulnerability could be reached without authentication if graph viewing is enabled for a guest user, making it exploitable pre-auth. The issue has be...

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...

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-2026-52128

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-2026-52137

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-2026-52138

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...

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...

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...

ALPINE-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...

UBUNTU-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 - Pre-Authentication DoS via SSH_MSG_EXT_INFO Handler

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...