What Project Glasswing Means for Security Leaders

2026-04-09T19:23:50Z10a557c9f98563d51e16b5da459b11db3037cbbc3c4ade029f9f7f11f873bde9
CVE-2025-59718CVE-2025-59719MDR for Microsoftai-powered vulnerability discoveryanthropicbpfd oorbpfdoorclaude mythosdetection and responseexploitation in the wildfortigatefreescoutgrav cmsincident responsekernel backdoormetasploitpersistence techniqueprioritizationproject glasswingrce modulesremediationtelecom infrastructurethreat researchvisibilityvulnerability management

What happened

The Rapid7 corpus for early April 2026 highlights several high-impact security developments: Anthropic’s Project Glasswing (Claude Mythos Preview) is surfacing and in some cases autonomously developing exploits for thousands of high‑severity vulnerabilities, signaling faster discovery and greater pressure on prioritization and remediation workflows. Rapid7 Incident Response documented active exploitation of FortiGate SSO signature‑verification flaws (CVE‑2025‑59718 and related CVE‑2025‑59719), showing initial low‑profile compromise of appliances followed by lateral movement into internal hosts

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
rapid7_blog
Record identifier
10a557c9f98563d51e16b5da459b11db3037cbbc3c4ade029f9f7f11f873bde9
Enrichment time
2026-04-09T19:23:50Z
AI-assisted enrichment
Yes

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