Mattermost doesn't validate decompressed archive entry sizes during file extraction

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly...

Authorization Bypass Through User-Controlled Key

Overview wwbn/avideo is an Audio and Video Platform or simply "A Video Platform". Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the save.json.php process. An attacker can access and exfiltrate confidential AI-generated metadata and...

CVE-2026-3115

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

CVE-2026-3113

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593...

CVE-2026-3114

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly...

CVE-2026-4363

GitLab has remediated an issue in GitLab EE affecting all versions from 18.1 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that under certain conditions could have allowed an authenticated user to gain unauthorized access to resources due to improper caching of authorization decisio...

CVE-2026-29092

Kiteworks is a private data network PDN. Prior to version 9.2.1, a vulnerability in Kiteworks Email Protection Gateway session management allows blocked users to maintain active sessions after their account is disabled. This could allow unauthorized access to continue until the session naturally...

CVE-2026-20719

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub.. Mattermost Advisory ID:...

CVE-2026-33438 Stirling-PDF vulnerable to DoS via add-watermark

Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. Versions starting in 2.1.5 and prior to 2.5.2 have Denial of Service DoS vulnerability in the Stirling-PDF watermark functionality /api/v1/security/add-watermark endpoint. The vulnerabilit...

CVE-2026-33438

Stirling-PDF is affected by a Denial of Service (DoS) vulnerability in the watermark endpoint. Affected versions are 2.1.5 through 2.5.1 (prior to 2.5.2). An authenticated user can trigger resource exhaustion and server crashes by sending extreme values for fontSize and widthSpacer to /api/v1/sec...

CVE-2026-33430 Briefcase: Windows MSI Installer Privilege Escalation via Insecure Directory Permissions

Briefcase is a tool for converting a Python project into a standalone native application. Starting in version 0.3.0 and prior to version 0.3.26, if a developer uses Briefcase to produce an Windows MSI installer for a project, and that project is installed for All Users i.e., per-machine scope, th...

n8n: Prototype Pollution in XML and GSuiteAdmin node parameters lead to RCE

Impact An authenticated user with permission to create or modify workflows could exploit a prototype pollution vulnerability in the GSuiteAdmin node. By supplying a crafted parameter as part of node configuration, an attacker could write attacker-controlled values onto Object.prototype. An attack...

CVE-2026-3115

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint...

Quish Splash QR Code Phishing Campaign Hits 1.6 Million Users

7AI research reveals a massive QR code phishing attack that evaded SPF, DKIM, and DMARC. Find out how 1.6 million emails went undetected...

CVE-2026-3114

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly...

CVE-2026-3114 Zip Bomb Denial of Service via Unrestricted Archive Decompression

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly...

CVE-2026-3114

Mattermost CVE-2026-3114 affects versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, and 10.11.x

CVE-2026-3113 mmctl export download command doesn’t restrict permissions to created file to file owner

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593...

CVE-2026-3113 mmctl export download command doesn’t restrict permissions to created file to file owner

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593...

CVE-2026-3113 mmctl export download command doesn’t restrict permissions to created file to file owner

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to set permissions on downloaded bulk export which allows other local users on the server to be able to read contents of the bulk export.. Mattermost Advisory ID: MMSA-2026-00593...