CVE-2026-0280
HIGHDescription
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.
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CVSS v3.1 Score
7.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS — Exploit Prediction
0.0030
Probability of exploitation
0.22%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
Weakness Type (CWE)
CWE-131
CWE-131
Affected Products
| Vendor | Product |
|---|---|
| paloaltonetworks | pan-os |
| paloaltonetworks | pan-os |
| paloaltonetworks | pan-os |
| paloaltonetworks | pan-os |
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References
Advisories & Patches
Frequently Asked Questions
What is 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, allowing network traffic that should be blocked to reach protected services.
Cloud NGFW and Panorama are not impacted by this vulnerability. It has a CVSS v3.1 base score of 7.2 (HIGH).
How severe is CVE-2026-0280? +
CVE-2026-0280 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0030, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-0280? +
CVE-2026-0280 affects products from paloaltonetworks, specifically: pan-os. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-0280? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.
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