H3XAOperational intelligence
Live analytical pictureEvidence before assessment
Threat intelligence / Vulnerability

CVE-2026-0257

Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.

Vulnerability
TypeVulnerability
External ID—
First seen2026-05-29
Last seen2026-05-29

Confidence

—

Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.

Labels

exploitedkevransomware

CISA KEV context

Vendor / productPalo Alto Networks PAN-OS
Added2026-05-29
Due date2026-06-01
4 recorded

Relationships

mitigates
from Remediate CVE-2026-0257
Mitigation
related-to
to Accessing/Intercepting/Modifying HTTP Cookies
Technique
related-to
to Manipulating Opaque Client-based Data Tokens
Technique
related-to
to Session Credential Falsification through Manipulation
Technique
2 external

References

nvd
CVE-2026-0257
open
cwe
CWE-565
open
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