
CISA Adds Palo Alto Networks PAN-OS Vulnerability CVE-2026-0257 to Known Exploited Vulnerabilities Catalog
Breaking NewsHackingSecurityCISACVE-2026-0257Hacking NewsInformation Security NewsIT Information SecurityPalo Alto Networks PAN-OSPierluigi PaganiniSecurity AffairsSecurity News
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Palo Alto Networks PAN-OS vulnerability, tracked as CVE-2026-0257 with a CVSS score of 7.8, to its Known Exploited Vulnerabilities (KEV) catalog. The flaw was addressed by Palo Alto Networks in May (exact date unspecified). No specific attack details or exploitation impacts were disclosed in the notice. The inclusion in the KEV catalog indicates active exploitation or a significant risk to federal agencies. The vulnerability affects PAN-OS, Palo Alto Networks' operating system for its security appliances.