CVE-2026-5132 Unbounded zlib decompression in Calls SDP WebSocket messages

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to limit size of unpacked SDP messages compressed with zlib, which allows attacker to deny service or crash server via sending many SDP messages that unpack to large size.. Mattermost Advisory ID:...

CVE-2026-90584

A flaw was found in TooTallNate Java-WebSocket. A remote attacker can exploit a weakness in the processFrameContinuousAndNonFin function within the Fragmentation Handler component. This vulnerability allows for excessive allocation of resources, which can lead to a Denial of Service DoS condition...

Important: Red Hat Security Advisory: tomcat9 security update

An update for tomcat9 is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.

A flaw was found in Apache Tomcat. During WebSocket authentication, the HTTP Authentication Header can be exposed to unexpected hosts. This vulnerability leads to information disclosure, potentially allowing an attacker to gain access to sensitive authentication credentials...

Important: Red Hat Security Advisory: tomcat security update

An update for tomcat is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.

A flaw was found in Apache Tomcat. During WebSocket authentication, the HTTP Authentication Header can be exposed to unexpected hosts. This vulnerability leads to information disclosure, potentially allowing an attacker to gain access to sensitive authentication credentials...

PT-2026-91174

Name of the Vulnerable Software and Affected Versions LightLLM versions prior to 1.2.1 Description An unauthenticated remote code execution issue exists in the Config Server. The /visual register WebSocket endpoint passes the first client frame directly to the pickle.loads function. An attacker...

Important: libsoup3

Issue Overview: A flaw was found in libsoup's WebSocket implementation when using the permessage-deflate extension. The extension's decompression loop inflate processes data in chunks without enforcing an upper boundary limit on the output buffer size. While libsoup limits the incoming compressed...

Malicious code in webpackbootstrap5 (npm)

[email protected] typosquats bootstrap and ships a disguised in-browser proxy kit. Its bundled loader index-z2b7r4.js XOR-decodes a list of endpoints with a fixed key and injects remote scripts from https://dyingefforlessefforlessours.com via document.head.appendChild, then boots a...

CVE-2026-90927: Uncontrolled Resource Consumption

filebrowser through 2.63.23 fails to limit WebSocket message size in the /api/command handler before checking permissions, allowing authenticated users to buffer arbitrarily large messages. Attackers can send oversized WebSocket messages to exhaust server heap memory and cause denial of service...

PT-2026-91214

LangBot's plugin runtime pip package langbot plugin through 0.4.17 starts a debug WebSocket server on 0.0.0.0:5401 /plugin/ws whose authentication is gated on plugin debug key, which defaults to an empty string and is never set by the upstream repository, Docker image, or docker-compose which...

PT-2026-91439

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to improper validation of the WebSocket origin...

MAL-2026-16200 Malicious code in @zaka13/thing (npm)

@zaka13/[email protected] ships the same disguised in-browser proxy kit as webpackbootstrap5 and webpackbootstrapscripts by the same publisher zaka13. Its YXBp.js loader matches those packages' index-z2b7r4.js same sha256: it XOR-decodes endpoints with a fixed key, injects remote scripts from...

PT-2026-91292

DeepWiki-Open through commit d92819a contains an arbitrary file read vulnerability in the unauthenticated /ws/chat WebSocket endpoint that accepts repo url as a filesystem path with no containment. Attackers can supply arbitrary directory paths to read all files with supported extensions includin...

CVE-2026-18151: Concurrent Execution using Shared Resource with Improper Synchronization

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to a race condition during the WebSocket handshake process...

Malicious code in pino-ulid (npm)

The npm package pino-ulid is named like a ULID generator, but it is a remote-access trojan. On install, its package.json postinstall script runs node dist/node/utils.js after checking the dist files exist with existsSync. dist/node/utils.js writes a PID lock file, sets up persistence on Windows...

Malicious code in webpackbootstrapscripts (npm)

[email protected] typosquats bootstrap and ships a disguised in-browser proxy kit. Its bundled loader index-z2b7r4.js XOR-decodes a list of endpoints with a fixed key and injects remote scripts from https://dyingefforlessefforlessours.com via document.head.appendChild, then boots a...

Important: libsoup

Issue Overview: A flaw was found in libsoup's WebSocket implementation when using the permessage-deflate extension. The extension's decompression loop inflate processes data in chunks without enforcing an upper boundary limit on the output buffer size. While libsoup limits the incoming compressed...

Malicious code in @zaka13/thing (npm)

@zaka13/[email protected] ships the same disguised in-browser proxy kit as webpackbootstrap5 and webpackbootstrapscripts by the same publisher zaka13. Its YXBp.js loader matches those packages' index-z2b7r4.js same sha256: it XOR-decodes endpoints with a fixed key, injects remote scripts from...

CVE-2026-90919: Deserialization of Untrusted Data

LightLLM through 1.2.0 contains a remote code execution vulnerability in the Config Server's unauthenticated /visualregister WebSocket endpoint that passes the first client frame directly to pickle.loads. Attackers can reach the Config Server port and send a malicious serialized payload with a...