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VulnerabilitiesMay 29, 2026

RT @CISACyber: 🛡️ We added Palo Alto Networks PAN-OS authentication bypass vulnerability CVE-202...

CISA adds Palo Alto Networks PAN-OS authentication bypass CVE-2026-0257 to KEV Catalog

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Summary

CISA has added CVE-2026-0257, a Palo Alto Networks PAN-OS authentication bypass vulnerability, to its Known Exploited Vulnerabilities (KEV) Catalog. This designation indicates the vulnerability has been observed in active exploitation and is a priority for remediation. Organizations running affected PAN-OS instances should prioritize patching to mitigate exploitation risk.

Indicators of Compromise

  • cve — CVE-2026-0257

Entities

Palo Alto Networks (vendor)PAN-OS (product)CISA (vendor)