CVE-2026-63925

A flaw was found in the Linux kernel's MACsec Media Access Control Security subsystem. When using Extended Packet Numbering XPN, a vulnerability exists where the replay protection mechanism can be bypassed. An attacker can exploit an integer overflow when the packet number reaches its maximum...

CVE-2026-44109 OpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action Validation

OpenClaw before 2026.4.15 contains an authentication bypass vulnerability in Feishu webhook and card-action validation that allows unauthenticated requests to reach command dispatch. Missing encryptKey configuration and blank callback tokens fail open instead of rejecting requests, enabling...

CVE-2026-35618

OpenClaw OpenClaw package (Plivo V2 verification) vulnerability CVE-2026-35618 affects OpenClaw before 2026.3.23. The replay protection uses a replay key derived from the full verification URL, including query strings, instead of the base canonical URL. This allows an attacker to mint new verifie...

CVE-2016-2201

Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to bypass a replay protection mechanism via packets on TCP port 102...