IT Security News Daily Summary 2026-02-25

169 posts were published in the last hour 22:36 : Untrusted repositories turn Claude code into an attack vector 21:34 : The CLAIR Model: A Synthesized Conceptual Framework for Mapping Critical Infrastructure Interdependencies [Guest Diary], (Wed, Feb 25th) 21:34 :…

CVE-2026-20127: Cisco Catalyst SD-WAN Controller/Manager Zero-Day Authentication Bypass Vulnerability Exploited in the Wild

Exploitation of a maximum severity authentication bypass zero-day vulnerability affecting Cisco Catalyst SD-WAN Controller and Manager has been reported. Immediate patching is recommended to thwart ongoing attacks. Key takeaways: CVE-2026-20127 is an Authentication Bypass Vulnerability affecting Cisco Catalyst SD-WAN Controller…

Treasury Sanctions Russian Exploit Brokerage

The U.S. sanctioned Russia-linked Operation Zero for trafficking stolen zero-day exploits tied to national security risks. The post Treasury Sanctions Russian Exploit Brokerage appeared first on eSecurity Planet. This article has been indexed from eSecurity Planet Read the original article:…

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation.  CVE-2022-20775 Cisco Catalyst SD-WAN Path Traversal Vulnerability CVE-2026-20127 Cisco Catalyst SD-WAN Controller and Manager Authentication Bypass Vulnerability  These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal…

Emulating the Mutative BlackByte Ransomware

AttackIQ has released a new attack graph that emulates the behaviors exhibited by BlackByte ransomware, a strain operated under the Ransomware-as-a-Service (RaaS) model that emerged in July 2021. Since its emergence, BlackByte has targeted organizations worldwide, including entities within U.S.…