CVE-2026-11800

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...

CVE-2025-36530

Mattermost versions 10.9.x = 10.9.1, 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17 fail to properly validate file paths during plugin import operations which allows restricted admin users to install unauthorized custom plugins via path traversal in the import functionality, bypassing plugin...

The vulnerability of the Suricata intrusion detection and prevention system, related to incorrect validation of the integrity check value, allows an intruder to bypass or neutralize any signature based on the TCP protocol.

The vulnerability of the Suricata intrusion detection and prevention system is related to incorrect validation of the integrity check value. Exploiting this vulnerability allows a malicious actor to bypass or neutralize any signature based on the TCP protocol...

UBUNTU-CVE-2021-45098

An issue was discovered in Suricata before 6.0.4. It is possible to bypass/evade any HTTP-based signature by faking an RST TCP packet with random TCP options of the md5header from the client side. After the three-way handshake, it's possible to inject an RST ACK with a random TCP md5header option...