Palo Alto Networks has issued a warning about active exploitation of CVE-2026-0257, a medium-severity authentication bypass vulnerability in PAN-OS and Prisma Access. The flaw, with a CVSS score of 7.8, allows threat actors to bypass authentication mechanisms and establish unauthorized VPN connections through GlobalProtect.
Palo Alto Networks has warned that a recently disclosed medium-severity security flaw impacting PAN-OS and Prisma Access has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-0257 (CVSS score: 7.8), refers to a case of authentication bypass that could be exploited by bad actors to set up VPN connections. "Authentication bypass vulnerabilities in the
Originally published at thehackernews.com
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