GHSA-6QF2-7X63-MM6V Synapse pagination Denial of Service

Impact In federated rooms, malicious homeservers can craft room events in such a way that prevents Synapse from providing full history to paginating clients. Clients could therefore fail to display room history. Patches Update to Synapse 1.152.1 or later. Workarounds There are no known workaround...

Improper Check for Unusual or Exceptional Conditions

Overview matrix-synapse is an ecosystem for open federated Instant Messaging and VoIP. Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions in the pagination process for federated rooms. An attacker can cause clients to fail to display room...

Synapse pagination Denial of Service

Impact In federated rooms, malicious homeservers can craft room events in such a way that prevents Synapse from providing full history to paginating clients. Clients could therefore fail to display room history. Patches Update to Synapse 1.152.1 or later. Workarounds There are no known workaround...

Synapse CPU starvation (Denial of Service)

Impact Local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing other users to be denied service. Homeservers that trust all their local users are not at risk. Patches Update to Synapse 1.152.1 or later. Workarounds If Synapse is...

Asymmetric Resource Consumption (Amplification)

Overview matrix-synapse is an ecosystem for open federated Instant Messaging and VoIP. Affected versions of this package are vulnerable to Asymmetric Resource Consumption Amplification through the handling of authenticated user requests. An attacker can exhaust CPU resources and cause service...

GHSA-8Q93-326V-3M7G Synapse CPU starvation (Denial of Service)

Impact Local authenticated users can cause Synapse to starve other requests of CPU and lead to other requests failing, causing other users to be denied service. Homeservers that trust all their local users are not at risk. Patches Update to Synapse 1.152.1 or later. Workarounds If Synapse is...

PT-2026-41158

Name of the Vulnerable Software and Affected Versions Synapse versions prior to 1.152.1 Description In federated rooms, malicious homeservers can craft room events that prevent the server from providing full history to paginating clients. This can result in clients failing to display the room...

PT-2026-41159

Name of the Vulnerable Software and Affected Versions Synapse versions prior to 1.152.1 Description Local authenticated users can cause the system to starve other requests of CPU resources, leading to request failures and a denial of service for other users. Homeservers that trust all their local...

CVE-2026-40347 vulnerabilities

Vulnerabilities for packages: airflow-core, semgrep, litellm, keep-fips, airflow, tritonserver-backend-vllm-cuda-13.0, wazuh-manager, kserve, keep, tritonserver-backend-vllm-cuda-12.9, synapse, wazuh-manager-fips, vllm-openai-cuda-12.9...

GHSA-MJ87-HWQH-73PJ vulnerabilities

Vulnerabilities for packages: airflow-core, semgrep, litellm, keep-fips, airflow, tritonserver-backend-vllm-cuda-13.0, wazuh-manager, kserve, keep, tritonserver-backend-vllm-cuda-12.9, synapse, wazuh-manager-fips, vllm-openai-cuda-12.9...

Fedora 43 : matrix-synapse / rust-pythonize (2026-151bfcc2af)

The remote Fedora 43 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-151bfcc2af advisory. Update matrix-synapse to v1.147.1 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...

Fedora: Security Advisory (FEDORA-2026-151bfcc2af)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

OPENSUSE-SU-2026:10196-1 matrix-synapse-1.147.1-1.1 on GA media

These are all security issues fixed in the matrix-synapse-1.147.1-1.1 package on the GA media of openSUSE Tumbleweed...

CVE-2019-11842

An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID...

Arbitrary Code Injection

Overview org.apache.synapse:synapse-extensions is an Apache Synapse - Extensions Affected versions of this package are vulnerable to Arbitrary Code Injection due to a lack of controls on the GraalJS and NashornJS Script Mediator engines. An attacker can execute arbitrary code with elevated...

Arbitrary Code Injection

Overview org.apache.synapse:synapse-core is an Apache Synapse - Core Affected versions of this package are vulnerable to Arbitrary Code Injection due to a lack of controls on the GraalJS and NashornJS Script Mediator engines. An attacker can execute arbitrary code with elevated privileges by...

EUVD-2025-36710

Razer Synapse 3 Chroma Connect Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Razer Synapse 3. An attacker must first obtain the ability to execute low-privileged code on the target system in...

EUVD-2025-36711

Razer Synapse 3 Macro Module Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Razer Synapse 3. An attacker must first obtain the ability to execute low-privileged code on the target system in ord...

EUVD-2025-36709

Razer Synapse 3 RazerPhilipsHueUninstall Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Razer Synapse 3. An attacker must first obtain the ability to execute low-privileged code on the target...

CVE-2025-9871

Razer Synapse 3 Chroma Connect Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Razer Synapse 3. An attacker must first obtain the ability to execute low-privileged code on the target system in...