CVE-2026-0280: An IPv6 packet processing vulnerability in the dataplane of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to bypass firewall security policy enforcement,

unknownCVE-2026-0280

An IPv6 packet processing vulnerability in the dataplane of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to bypass firewall security policy enforcement, allowing network traffic that should be blocked to reach protected services. Cloud NGFW and Panorama are not impacted by this vulnerability.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: unknown
Published: 2026-07-09
Last updated: 2026-07-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-0280

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.

Low exploitation riskCVE-2026-02800.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-0280	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

high[NEW] [high] Palo Alto Networks PAN-OS: Multiple vulnerabilitiescert-bund
unknownPalo Alto Products Multiple Vulnerabilitieshkcert
lowCVE-2026-0280 PAN-OS: IPv6 Firewall Policy Bypass (Severity: LOW)paloalto

Recent advisories for An IPv6 packet

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.

mediumCVE-2026-58058: Nmap through 7.99 does not keep the IPv6 extension-header walk within the captured packet in i…nvd · 2026-06-28