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THREAT OPSThreat News › [CISA KEV] CVE-2026-0257 — Palo Alto Networks PAN-OS: Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

[CISA KEV] CVE-2026-0257 — Palo Alto Networks PAN-OS: Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

lowcisa_kevPublished 2026-05-29

CVE: CVE-2026-0257 Vendor: Palo Alto Networks Product: PAN-OS Vulnerability: Palo Alto Networks PAN-OS Authentication Bypass Vulnerability Date Added: 2026-05-29 Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due Date: 2026-06-01 Known Ransomware Use: Unknown Note

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-0257