Strix
64.9K

CVE-2026-0284

CRITICALCVSS 9.9/10EPSS 0.27%

Last modified

CVE-2026-0284 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
9.9/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L

CVSS 4.0
4.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:L/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:D/RE:M/U:Amber

EPSS Probability
0.27%

18.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
PaloaltonetworksPan-Os>= 10.2.0, < 10.2.7—
PaloaltonetworksPan-Os>= 10.2.8, < 10.2.10—
PaloaltonetworksPan-Os>= 10.2.11, < 10.2.13—
PaloaltonetworksPan-Os>= 10.2.14, < 10.2.16—
PaloaltonetworksPan-Os10.2.7—
PaloaltonetworksPan-Os10.2.10—
PaloaltonetworksPan-Os10.2.13—
PaloaltonetworksPan-Os10.2.16—
PaloaltonetworksPan-Os10.2.17—
PaloaltonetworksPan-Os10.2.18H1
PaloaltonetworksPan-Os>= 11.1.0, < 11.1.4—
PaloaltonetworksPan-Os>= 11.1.8, < 11.1.10—
PaloaltonetworksPan-Os>= 11.1.11, < 11.1.13—
PaloaltonetworksPan-Os>= 11.1.14, < 11.1.16—
PaloaltonetworksPan-Os11.1.4—
PaloaltonetworksPan-Os11.1.5—
PaloaltonetworksPan-Os11.1.6—
PaloaltonetworksPan-Os11.1.10—
PaloaltonetworksPan-Os11.1.13—
PaloaltonetworksPan-Os>= 11.2.0, < 11.2.4—
PaloaltonetworksPan-Os>= 11.2.5, < 11.2.7—
PaloaltonetworksPan-Os>= 11.2.8, < 11.2.10—
PaloaltonetworksPan-Os>= 11.2.11, < 11.2.13—
PaloaltonetworksPan-Os11.2.4—
PaloaltonetworksPan-Os11.2.7—
PaloaltonetworksPan-Os11.2.10—
PaloaltonetworksPan-Os>= 12.1.2, < 12.1.4—
PaloaltonetworksPan-Os>= 12.1.5, < 12.1.7—
PaloaltonetworksPan-Os12.1.4—
PaloaltonetworksPan-Os12.1.7—

References

Timeline

Published
Last Modified
Status
Modified

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.
How severe is CVE-2026-0284?
CVE-2026-0284 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2026-0284?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

View all 2026CVEs →

Are you affected by CVE-2026-0284?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST