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High

CVE-2026-0301 — PAN-OS: Information Disclosure Vulnerability in URL Filtering

CVE-2026-0301 · PAN-OS · CVSS 7.5

In brief

Severity · CVSS
High7.5CVSS 3.1, High
EPSS
0.32%
CISA KEV
Not listed
Products
PAN-OS
Published · Modified
·
Last verified

Summary

An information disclosure vulnerability in the URL Filtering feature of Palo Alto Networks PAN-OS® software enables an unauthenticated user with network access to obtain sensitive information. Panorama is not impacted by this vulnerability.

Weakness: CWE-908

Title, description and the vendor's statements are quoted from the CVE record; a vendor's advisory is summarised in Patcharo's words, with a link.

Affected and fixed versions

Per product and release branch, as the vendor's CVE record and official advisory state them. A fixed release is shown only when a document names it: the vendor's, or CERT-FR's for Check Point, with its source.

3 branches with a published fixed release

Palo Alto Networks Cloud NGFW

Source: CVE-2026-0301

  1. —
    Affected versionsAll versions
    First fixed releaseNot published in the sources followed

No precise fixed release is published for this product in the sources Patcharo follows.

Palo Alto Networks PAN-OS

Source: CVE-2026-0301

  1. 12.1
    Affected versionsNot affected
    First fixed release—
  2. 11.2Approaching end of support
    Affected versionsNot affected
    First fixed release—
  3. 11.1Approaching end of support
    Affected versions>= 11.1.0, < 11.1.16-h1
    First fixed release11.1.16-h1
  4. 10.2End of life
    Affected versions>= 10.2.0, < 10.2.8
    First fixed release10.2.8

Releases the vendor does not list are not affected.

Palo Alto Networks Prisma Access

Source: CVE-2026-0301

  1. 12.1
    Affected versionsNot affected
    First fixed release—
  2. 11.2
    Affected versionsNot affected
    First fixed release—
  3. 10.2
    Affected versions>= 10.2.0, < 10.2.10
    First fixed release10.2.10

Remediation

Fix available

Vendor fix

  • PAN-OS 11.111.1.16-h1
  • PAN-OS 10.210.2.8
  • Prisma Access 10.210.2.10

Upgrade to a fixed release listed above for your branch, or to a later fixed release the vendor explicitly supports.

Version Minor Version Suggested Solution Cloud NGFW*Customers who prefer to upgrade can work with Palo Alto Networks support to schedule an on-demand software upgrade.PAN-OS 12.1 12.1.2 through 12.1.6-h*No action needed.PAN-OS 11.2 11.2.0 through 11.2.12 No action needed.

Full text

PAN-OS 11.1 11.1.0 through 11.1.16-h* Upgrade to 11.1.16-h1 or later. PAN-OS 10.2 10.2.0 through 10.2.* Upgrade to 10.2.8 or 11.1.16-h1 or later. All older unsupported PAN-OS versions Upgrade to a supported fixed version.Prisma Access 12.1 12.1.2 through 12.1.* No action needed.Prisma Access 11.2 11.2.0 through 11.2* No action needed. Prisma Access 10.2 10.2.0 through 10.2.* Upgrade to 10.2.10 or later. * See the note under Product Status for information regarding Prisma Access and Cloud NGFW upgrades.

SourcePalo Alto Networks (CVE record)

Mitigation (vendor)

Customers can mitigate this issue by limiting the Response Page Variables https://docs.paloaltonetworks.com/advanced-url-filtering/administration/url-filtering-features/url-filtering-response-pages/url-filtering-response-page-objects#idf281835b-ab7c-4553-93e2-46967443f9f9_id8313c239-3cf5-4bee-8909-e8e047b70b44 on

Full text

their response page to only those in the Predefined URL Filtering Response Pages https://docs.paloaltonetworks.com/advanced-url-filtering/administration/url-filtering-features/url-filtering-response-pages/predefined-url-filtering-response-pages#ida9f33d58-e2ea-4a6f-9b4f-0ab42fd6921f . https://docs.paloaltonetworks.com/advanced-url-filtering/administration/url-filtering-features/url-filtering-response-pages/predefined-url-filtering-response-pages#ida9f33d58-e2ea-4a6f-9b4f-0ab42fd6921f The variables that are included in our predefined response pages (user, url, category, pan_form…

SourcePalo Alto Networks (CVE record)

CERT-FR recommendation

Refer to the vendor's security bulletin to obtain patches (see Documentation section).

SourceCERTFR-2026-AVI-1014

Last verified 1 Oct 2026 at 09:32 UTC

Known exploitation

Not listed in CISA KEV as of the last check.

0.32% probability of exploitation in the next 30 days (percentile 22%).

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

CERT-FR

1 document of the French national CERT (ANSSI) references this CVE.

Advisory (AVI)CERTFR-2026-AVI-1014Published 13 Aug 2026

Multiple vulnerabilities in Palo Alto Networks products

Remote denial of serviceRemote arbitrary code executionData integrity breachNot specified by the vendorSecurity policy bypassData confidentiality breachPrivilege escalation

Summary

Multiple vulnerabilities have been discovered in Palo Alto Networks products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation, and remote denial of service.

Recommendation

Refer to the vendor's security bulletin to obtain patches (see Documentation section).

Official document on cert.ssi.gouv.frread by Patcharo 28 Sept 2026 at 20:03 UTCMachine translation of the French text published by CERT-FR; a text whose translation did not pass Patcharo's checks stays in French. Identifiers, versions and links are copied unchanged.

Timeline

  1. Published by the source
  2. Source record last modified
  3. EPSS score computed
  4. Last verified by Patcharo

Official sources

Vendor advisory

Palo Alto Networks · NVD · FIRST EPSS

How Patcharo reads this

Affected and fixed releases come from the vendor's structured statements and are matched against exact versions; CVSS from NVD, exploitation from CISA KEV and the vendor's own advisory, probability from FIRST EPSS. Missing data stays Unknown and never becomes Not affected.

Read the methodologyRead the guide: PAN-OS versions explained: release lines, maintenance releases and the -h1, -h2, -h3 suffixes

Related vulnerabilities

Other records affecting the same products, newest first.

  • CVE-2026-0280PAN-OS: IPv6 Firewall Policy BypassHigh
  • CVE-2026-0281PAN-OS: Information Disclosure Vulnerability in Management Web InterfaceHigh
  • CVE-2026-0283PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN)High
  • CVE-2026-0284PAN-OS: XML Injection Vulnerability in Large Scale VPN (LSVPN)Critical
  • CVE-2026-0286PAN-OS: Authenticated Command Injection in CLIHigh

All PAN-OS vulnerabilitiesAll Palo Alto Networks vulnerabilities