#vulnerability

Mattermost versions 10.11.x < 10.11.5, 11.0.x < 11.0.4, 10.12.x < 10.12.2 fail to invalidate invite tokens after use which allows malicious actors who have intercepted invite tokens to manipulate channel memberships including adding or removing users from private channels via token replay attack.

Cisco Talos’ Vulnerability Discovery & Research team recently disclosed vulnerabilities in Biosig Project Libbiosig, Grassroot DiCoM, and Smallstep step-ca. The vulnerabilities mentioned in this blog post have been patched by their respective vendors, all in adherence to Cisco’s third-party vulnerability disclosure policy, except for Grassroot, as the

In mcp-server-git versions prior to 2025.9.25, the git_init tool accepted arbitrary filesystem paths and created Git repositories without validating the target location. Unlike other tools which required an existing repository, git_init could operate on any directory accessible to the server process, making those directories eligible for subsequent git operations. The tool was removed entirely, as the server is intended to operate on existing repositories only. Users are advised to upgrade to 2025.9.25 or newer to remediate this issue. Thank you to https://hackerone.com/yardenporat for disclosure, @0dd for contributing the fix.

### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-cjwg-qfpm-7377. This link is maintained to preserve external references. ### Original Description In python-jose 3.3.0 (specifically jwe.decrypt), a vulnerability allows an attacker to cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. When this token is processed by the server, it results in significant memory allocation and processing time during decompression.

An authenticated arbitrary file upload vulnerability in the /storage/poc.php component of Pagekit CMS v1.0.18 allows attackers to execute arbitrary code via uploading a crafted PHP file. The project is archived as of December 1, 2023.

SonicWall has rolled out fixes to address a security flaw in Secure Mobile Access (SMA) 100 series appliances that it said has been actively exploited in the wild. The vulnerability, tracked as CVE-2025-40602 (CVSS score: 6.6), concerns a case of local privilege escalation that arises as a result of insufficient authorization in the appliance management console (AMC). It affects the following

Google's patched two flaws in Chrome, both of which can be triggered remotely when a user loads specially crafted web content.

The threat actor linked to Operation ForumTroll has been attributed to a fresh set of phishing attacks targeting individuals within Russia, according to Kaspersky. The Russian cybersecurity vendor said it detected the new activity in October 2025. The origins of the threat actor are presently unknown. "While the spring cyberattacks focused on organizations, the fall campaign honed in on

Cybercriminal group ShinyHunters targets former Pornhub Premium users in a massive 94GB data extortion campaign. Learn about the stolen data details, the involvement of a smishing attack, and the conflicting reports on the breach.

The weak RC4 for administrative authentication has been a hacker holy grail for decades.