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Firewall Bug Under Active Attack Triggers CISA Warning

📅 28 April 2026 at 10:35 UTC📰 ThreatpostView original source ↗
Firewall Bug Under Active Attack Triggers CISA Warning

CISA is warning that Palo Alto Networks’ PAN-OS is under active attack and needs to be patched ASAP.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

A vulnerability in Palo Alto Networks' PAN-OS is being actively exploited, prompting a CISA warning for immediate patching. This highlights the importance of timely software updates and regular security monitoring.

⚙️Technical Details
💥Impact Assessment
Severity: Unknown
🛡️Recommended Actions
1Apply the latest PAN-OS patch as soon as possible
2Monitor system logs for signs of exploitation
3Implement additional security controls to prevent lateral movement
📦Affected Products
["Palo Alto Networks' PAN-OS"]

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