PAN-OS: Sensitive Information Disclosure Vulnerability

published 2026-11-11 14h ago modified 2026-11-11 13h ago also EUVD-2026-123778

cvss: 6.6; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: —; no EPSS score yet
public exploits: 0; none known

An information disclosure vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated remote attacker with network access to obtain sensitive firewall and session information by sending traffic to or through a dataplane interface.

Panorama is not affected by this vulnerability.

Patch / fix

fixed in 2

Palo Alto Networks PAN-OS 10.2.7-h40, 10.2.10-h43, 10.2.13-h28, 10.2.16-h13, 10.2.18-h14, 11.1.4-h39, 11.1.6-h41, 11.1.7-h13, 11.1.10-h37, 11.1.13-h17, 11.1.16-h5, 11.2.4-h24, 11.2.7-h24, 11.2.10-h18, 11.2.13-h5, 11.2.16-h2, 12.1.4-h14, 12.1.7-h12, 12.1.10-h4, 12.2.4-h2
Palo Alto Networks Prisma Access 10.2.10-h43, 11.2.7-h24, 12.1.10-h4

Is CVE-2026-0331 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CVSS scores

assigned by	version	score	vector
CNA	4.0	6.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
CNA	4.0	4.6	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
CNA	4.0	6.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/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:U/V:D/RE:M/U:Amber

Affected products

Palo Alto Networks Cloud NGFW
Palo Alto Networks PAN-OS
Palo Alto Networks Prisma Access

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Technology feeds

Palo Alto PAN-OS rss critical rss

References

security.paloaltonetworks.com /CVE-2026-0331
vendor-advisory

Sources

CVE List CVE-2026-0331
NVD CVE-2026-0331

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