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VulnerabilitiesJun 5, 2026

Unit 42 provides indicators of activity and mitigations for PAN-OS CVE-2026-0257, an authenticati...

Unit 42 releases IOCs and mitigations for PAN-OS CVE-2026-0257 authentication bypass in GlobalProtect

Summary

Palo Alto Networks' Unit 42 threat intelligence team has published indicators of activity and remediation guidance for CVE-2026-0257, a critical authentication bypass vulnerability affecting PAN-OS GlobalProtect. The disclosure includes IOCs to help organizations detect and respond to exploitation attempts. This represents active threat intelligence coordination on a significant identity/access control flaw.

Indicators of Compromise

  • cve — CVE-2026-0257

Entities

Palo Alto Networks (vendor)PAN-OS (product)GlobalProtect (product)Unit 42 (vendor)