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3 IOCs

CISA Flags Palo Alto PAN-OS Flaw as Actively Exploited

Cyber Press
Cyber Press
Published June 2, 2026Original Report

Excerpt

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical authentication-bypass vulnerability in Palo Alto Networks’ PAN-OS to its Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild. Tracked as CVE-2026-0257 , the flaw enables attackers to circumvent security restrictions and establish unauthorized VPN connections, posing a significant threat to enterprise network perimeters. The vulnerability resides in…

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Attack Flow5 steps · MITRE ATT&CK mapped

Initial AccessTA0001T1190
1/5
Exploit Public-Facing Application
ActionExploit authentication bypass vulnerability
Attackers exploit CVE-2026-0257, an authentication bypass vulnerability in PAN-OS, to gain unauthorized VPN access.

Indicators of Compromise

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3 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2025-0108MediumScore 51/100First seen
CVECVE-2026-0257HighScore 81/100First seen
CVECVE-2024-0012MediumScore 53/100First seen

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