CVE-2026-30587

CVE-2026-30587 affects Seafile Server and its Seadoc editor, with multiple stored XSS vulnerabilities exploited via WebSocket messages that update document structure. Affected versions include 13.0.15, 13.0.16-pro, and 12.0.14 and prior; fixes are in 13.0.17, 13.0.17-pro, and 12.0.20-pro. The iss...

CVE-2026-2454

A denial of service flaw has been discovered in mattermost server. Affected versions fail to handle incorrectly reported array lengths which allows malicious user to cause OOM errors and crash the server via sending corrupted msgpack frames within websocket messages to calls plugin. Mitigation...

CVE-2026-2454

Mattermost vulnerability CVE-2026-2454 affects Mattermost server versions 11.3.x (≤11.3.0), 11.2.x (≤11.2.2), and 10.11.x (≤10.11.10). The issue arises from incorrect handling of array lengths in error reports, enabling a malicious user to trigger OOMs and crash the server by sending corrupted ms...

CVE-2026-2454 DoS in Calls plugin via malformed msgpack in websocket request.

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to handle incorrectly reported array lengths which allows malicious user to cause OOM errors and crash the server via sending corrupted msgpack frames within websocket messages to calls plugin. Mattermost Advisory ID:...

PT-2026-25809

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to handle incorrectly reported array lengths which allows malicious user to cause OOM errors and crash the server via sending corrupted msgpack frames within websocket messages to calls plugin. Mattermost Advisory ID:...

SUSE CVE-2025-13821

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID:...

Storybook Dev Server is Vulnerable to WebSocket Hijacking

Summary The WebSocket functionality in Storybook's dev server, used to create and update stories, is vulnerable to WebSocket hijacking. This vulnerability only affects the Storybook dev server; production builds are not impacted. Details Exploitation requires a developer to visit a malicious...

GO-2026-4524 Mattermost fails to sanitize sensitive data in WebSocket messages in github.com/mattermost/mattermost-server

Mattermost fails to sanitize sensitive data in WebSocket messages in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports fro...

GHSA-PP9J-PF5C-659X Mattermost fails to sanitize sensitive data in WebSocket messages

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID:...

CVE-2025-13821 User profile update exposes password hash and MFA secrets

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID:...

CVE-2025-13821

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID:...

CVE-2025-13821 User profile update exposes password hash and MFA secrets

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID:...

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in Mattermost versions 11.1.2 and earlier of the 11.1.x series, as well as versions 10.11.9 and earlier of the 10.11.x series, and 11.2.1 and earlier of the 11.2.x series. These...

PT-2026-8338

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.9 Mattermost versions 11.1.x through 11.1.2 Mattermost versions 11.2.x through 11.2.1 Description The software does not properly sanitize sensitive data within WebSocket messages. This allows...

CVE-2026-23515

Signal K Server is a server application that runs on a central hub in a boat. Prior to 1.5.0, a command injection vulnerability allows authenticated users with write permissions to execute arbitrary shell commands on the Signal K server when the set-system-time plugin is enabled. Unauthenticated...

Authorization Bypass

Spring Framework is vulnerable to an Authorization Bypass. The vulnerability is due to improper enforcement of authorization checks in STOMP over WebSocket message handling, which allows an attacker to send unauthorized messages and bypass intended security controls...

CVE-2025-41254 Spring Framework STOMP CSRF Vulnerability

STOMP over WebSocket applications may be vulnerable to a security bypass that allows an attacker to send unauthorized messages. Affected Spring Products and VersionsSpring Framework: 6.2.0 - 6.2.11 6.1.0 - 6.1.23 6.0.x - 6.0.29 5.3.0 - 5.3.45 Older, unsupported versions are also affected...

CVE-2025-41705

An unauthenticated remote attacker MITM can intercept the websocket messages to gain access to the login credentials for the Webfrontend...

EUVD-2025-34146

An unauthenticated remote attacker MITM can intercept the websocket messages to gain access to the login credentials for the Webfrontend...

CVE-2025-41705

CVE-2025-41705 is reported as an unauthenticated MITM issue where an attacker can intercept websocket messages to obtain login credentials from the Webfrontend. Connected sources identify Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP as the affected device family, with the vulnerability described a...