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  4. CVE 2026 0331 pan os sensitive information disclosure
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Back to active CVEs
Medium · CVSS 6.6CVE-2026-0331

PAN-OS: Sensitive Information Disclosure VulnerabilityCVE-2026-0331

Answer in brief

CVE-2026-0331 records a Medium severity (CVSS 6.6) vulnerability in PAN-OS: Sensitive Information Disclosure Vulnerability. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/Cloud NGFW (generic), Palo Alto Networks/PAN-OS (generic), Palo Alto Networks/Prisma Access (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 11, 2026Updated Nov 11, 2026Source checked Nov 11, 2026First seen by HOL Nov 11, 2026Material review Nov 11, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.6
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 6.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Palo Alto Networks/Cloud NGFW (generic), Palo Alto Networks/PAN-OS (generic), Palo Alto Networks/Prisma Access (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Palo Alto Networks/Cloud NGFWgenericAllNot reported
Palo Alto Networks/PAN-OSgeneric>=12.2.0 <12.2.4-h2 || >=12.1.0 <12.1.10-h4 || >=11.2.0 <11.2.16-h2 || >=11.1.0 <11.1.16-h5 || >=10.2.0 <10.2.18-h1412.2.4-h2, 12.1.10-h4, 11.2.16-h2, 11.1.16-h5, 10.2.18-h14
Palo Alto Networks/Prisma Accessgeneric>=12.1.0 <12.1.10-h4 || >=11.2.0 <11.2.7-h24 || >=10.2.0 <10.2.10-h4312.1.10-h4, 11.2.7-h24, 10.2.10-h43

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Palo Alto Networks/Cloud NGFW, Palo Alto Networks/PAN-OS, Palo Alto Networks/Prisma Access.
  2. 2Review the reported fix. Update Palo Alto Networks/PAN-OS to 12.2.4-h2; Palo Alto Networks/Prisma Access to 12.1.10-h4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 11, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 11, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 11, 2026

Sources and claim methodology

  • Source referencesecurity.paloaltonetworks.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • PAN-OS: GlobalProtect Authorization Bypass VulnerabilitySame palo alto networks/pan-os package
  • PAN-OS: Buffer Overflow Vulnerability in Protocol and Service ProcessingSame palo alto networks/cloud ngfw package
  • PAN-OS: Privilege Escalation Vulnerability in GlobalProtectSame palo alto networks/pan-os package
  • PAN-OS: User Impersonation through GlobalProtect PortalSame palo alto networks/pan-os package
  • PAN-OS: Buffer Overflow VulnerabilitySame palo alto networks/pan-os package
  • PAN-OS: Authenticated Remote Code Execution (RCE) in PanoramaSame palo alto networks/pan-os package

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-200
Source
CVE List V5
Source checked
Nov 11, 2026
References
1 linked source
Open source record