CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2026-0257 PAN-OS: GlobalProtect Authentication Bypass Vulnerabilities (Severity: HIGH)

highknown exploitedpublic exploitCVE-2026-0257
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.

CSIRTS triage

vendor: Palo Alto Networksproduct: PAN-OSAuthentication bypass
What
A vulnerability allows authentication bypass in GlobalProtect.
Who is affected
Deployments of PAN-OS with GlobalProtect are affected.
Urgency
Remediation is urgent due to active exploitation and high severity.
Action
Upgrade to the patched version of PAN-OS.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch PAN-OS

Get an email when a new PAN-OS advisory drops — max one per day, one-click unsubscribe.

Details

Source
Palo Alto Networks Security Advisories (INTL · vendor-psirt · site)
Severity
high
Published
2026-06-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://security.paloaltonetworks.com/CVE-2026-0257

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-0257coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for PAN-OS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Palo Alto Networks Security Advisories