CVE-2026-0284
CRITICALDescription
An XML injection vulnerability in the Large Scale VPN (LSVPN) functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to inject malicious XML content, potentially leading to information disclosure or corruption of internal LSVPN satellite data. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.
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CVSS v3.1 Score
9.9
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
EPSS — Exploit Prediction
0.0045
Probability of exploitation
0.36%
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-74
CWE-74
Affected Products
| Vendor | Product |
|---|---|
| paloaltonetworks | pan-os |
| paloaltonetworks | pan-os |
| paloaltonetworks | pan-os |
| paloaltonetworks | pan-os |
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| paloaltonetworks | pan-os |
References
Advisories & Patches
Frequently Asked Questions
What is CVE-2026-0284? +
An XML injection vulnerability in the Large Scale VPN (LSVPN) functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to inject malicious XML content, potentially leading to information disclosure or corruption of internal LSVPN satellite data.
Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability. It has a CVSS v3.1 base score of 9.9 (CRITICAL).
How severe is CVE-2026-0284? +
CVE-2026-0284 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0045, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-0284? +
CVE-2026-0284 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-2026-0284? +
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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