A critical authentication-bypass vulnerability affecting Palo Alto Networks PAN-OS and Prisma Access is being actively exploited by malicious actors. In response to mounting attacks, the Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-0257 to its Known Exploited Vulnerabilities (KEV) catalog on May 29, 2026. While the flaw carries a medium CVSSv4 score, security researchers at […]

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