Known vulnerability record
CVE-2026-0257
Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
Summary
Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.
Signals
Keep the signals separate
CVSS severityhighScore 7.8 · source palo_alto
EPSS probability93.9%Probability of exploitation in the next 30 days; not severity
CISA KEVKnown exploitedAdded 2026-05-29
Ransomware useknownPreserved as known / unknown, not a truthy default
Timeline
Dates and provenance
- CVE published
- 2026-05-13
- CVE modified
- 2026-07-14
- KEV date added
- 2026-05-29
- Dataset fetched
- 2026-08-21T03:54:58.191Z
Sources
Original records
- https://www.cve.org/CVERecord?id=CVE-2026-0257 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-0257 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-0257 ↗
Version history: normalized permanent page created 2026-08-20. Machine-enriched fields remain source-attributed.