Microsoft Exchange Flaw Lets Authenticated Attackers Read Other Users' Mailboxes

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Vulnerabilities & Zero-Day
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Chainalysis Confirms Intrusion Into Internal Tools and Exposure of Customer Identity Data

American blockchain analysis firm Chainalysis said it was the target of a cybersecurity incident in which an external actor accessed non-sensitive customer data. However, the company noted that the breach did not result in unauthorized access to its investigation content, authentication credentials, or session tokens. "This month, Chainalysis detected an external actor using offensive agentic

Security Affairs

Attackers Exploit Critical Drupal Commerce Core Vulnerability CVE-2026-118539

Drupal warns that attackers are exploiting a critical authorization flaw in Commerce Core, putting vulnerable online stores at risk. Drupal warns that threat actors are exploiting a highly critical security flaw, tracked as CVE-2026-118539, in its Commerce Core module. The vulnerability is caused by missing authorization checks. “This module enables you to sell goods and […]

The Hacker News

Attackers Chain Three Ivanti Connect Secure Flaws to Gain Unauthenticated Root Access

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two security flaws impacting Ivanti Connect Secure (ICS) to its Known Exploited Vulnerabilities (KEV) catalog, following active exploitation in the wild. The vulnerabilities are listed below - CVE-2026-111357 (CVSS score: 8.8) - A missing authentication for a critical function vulnerability that could allow a