VulnIntel

CVE-2026-0257

CVSS 9.1 · CRITICAL
Exploited in the wild
Remediation overdue by 63 days
EPSS p98
Higher than 98% of all CVEs — imminent exploitation likely.
Patch available
Vendor advisory or patch linked

Published 5/13/2026 · updated 6/1/2026 · CWE-565

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Summary

Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection. Panorama and Cloud NGFW are not impacted by these issues.

CVSS 9.1 — CRITICAL

9.1 / 10
  • AV: Network
  • AC: Low complexity
  • PR: No privileges
  • UI: No user interaction
  • S: Scope unchanged
  • C: Confidentiality: High
  • I: Integrity: High
  • A: Availability: None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS exploitation probability

47.9%

Percentile p98 — Higher than 98% of all CVEs — imminent exploitation likely.

Affected products

2 vendor/product entries
  • Paloaltonetworks Pan Os< 10.2.7
  • Paloaltonetworks Prisma Accessall versions
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Timeline

  1. May 13, 2026 · Disclosed / published in NVD
  2. May 29, 2026 · Added to CISA KEV catalog
  3. Jun 1, 2026 · CISA remediation deadline
  4. Jun 1, 2026 · Intel last updated

Intel sources

Which upstream feeds returned data for this CVE, and when they were last fetched.

  • NVD· 56 days ago
  • CVE.org· no data
  • FIRST EPSS· 57 days ago
  • CISA KEV· 46 days ago
  • OSV· 57 days ago

Listed in CISA KEV

Added 2026-05-29 · Remediation overdue by 63 days.

References

Vendor & CERT advisories1
Other1

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