{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0301","assignerOrgId":"d6c1279f-00f6-4ef7-9217-f89ffe703ec0","state":"PUBLISHED","assignerShortName":"palo_alto","dateReserved":"2025-11-03T20:44:59.306Z","datePublished":"2026-08-13T02:05:25.118Z","dateUpdated":"2026-08-14T18:27:26.549Z"},"containers":{"cna":{"providerMetadata":{"orgId":"d6c1279f-00f6-4ef7-9217-f89ffe703ec0","shortName":"palo_alto","dateUpdated":"2026-08-14T18:27:26.549Z"},"title":"PAN-OS: Information Disclosure Vulnerability in URL Filtering","datePublic":"2026-08-12T16:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-908","description":"CWE-908 Use of Uninitialized Resource","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-37","descriptions":[{"lang":"en","value":"CAPEC-37 Retrieve Embedded Sensitive Data"}]}],"affected":[{"vendor":"Palo Alto Networks","product":"Cloud NGFW","platforms":["AWS","Azure"],"versions":[{"status":"affected","version":"All","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Palo Alto 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Alto Networks","product":"Prisma Access","versions":[{"status":"unaffected","version":"12.1.0","versionType":"custom"},{"status":"unaffected","version":"11.2.0","versionType":"custom"},{"status":"affected","version":"10.2.0","lessThan":"10.2.10","changes":[{"at":"10.2.10","status":"unaffected"}],"versionType":"custom"}],"defaultStatus":"unknown"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:palo_alto_networks:cloud_ngfw:all:*:aws:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:palo_alto_networks:cloud_ngfw:all:*:azure:*:*:*:*:*"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:a:palo_alto_networks:pan-os:12.1.0:*:*:*:*:*:*:*"},{"vulnerable":false,"criteria":"cpe:2.3:a:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"11.1.0","versionEndExcluding":"11.1.16-h1"},{"vulnerable":true,"criteria":"cpe:2.3:a:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*","versionStartIncluding":"10.2.0","versionEndExcluding":"10.2.8"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:a:palo_alto_networks:prisma_access:12.1.0:*:*:*:*:*:*:*"},{"vulnerable":false,"criteria":"cpe:2.3:a:palo_alto_networks:prisma_access:11.2.0:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:palo_alto_networks:prisma_access:*:*:*:*:*:*:*:*","versionStartIncluding":"10.2.0","versionEndExcluding":"10.2.10"}]}]}],"descriptions":[{"lang":"en","value":"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.\n\nPanorama is not impacted by this vulnerability.","supportingMedia":[{"type":"text/html","base64":false,"value":"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."}]}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2026-0301","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","version":"4.0","baseSeverity":"LOW","baseScore":1.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"The risk of exploitation is lower for Prisma Access as it requires an authenticated user and the external network access to the management interface is restricted."}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","version":"4.0","baseSeverity":"LOW","baseScore":0.5,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"}}],"configurations":[{"lang":"eng","value":"This issue applies only to firewalls where URL filtering is enabled with customized response page. \n\nTo check if a PAN-OS device has Customized URL Filtering response pages, navigate to: Device > Response Pages https://docs.paloaltonetworks.com/ngfw/administration/firewall-administration/launch-the-web-interface/configure-response-pages \n https://docs.paloaltonetworks.com/ngfw/administration/firewall-administration/launch-the-web-interface/configure-response-pages If you have imported a custom URL Filtering HTML response page, your device is affected.","supportingMedia":[{"type":"text/html","base64":false,"value":"

This issue applies only to firewalls where URL filtering is enabled with customized response page.

To check if a PAN-OS device has Customized URL Filtering response pages, navigate to: Device > Response Pages
If you have imported a custom URL Filtering HTML response page, your device is affected.

"}]}],"workarounds":[{"lang":"en","value":"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 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) are not impacted by this vulnerability.","supportingMedia":[{"type":"text/html","base64":false,"value":"

Customers can mitigate this issue by limiting the Response Page Variables on their response page to only those in the Predefined URL Filtering Response Pages. The variables that are included in our predefined response pages (user, url, category, pan_form) are not impacted by this vulnerability.

"}]}],"solutions":[{"lang":"eng","value":"Version\nMinor Version\nSuggested Solution\nCloud NGFW*Customers who prefer to upgrade can work with Palo Alto Networks support to schedule an on-demand software upgrade.PAN-OS 12.1\n12.1.2 through 12.1.6-h*No action needed.PAN-OS 11.2\n11.2.0 through 11.2.12\nNo action needed.\n PAN-OS 11.1\n\n 11.1.0 through 11.1.16-h*\n Upgrade to 11.1.16-h1 or later.\n \n PAN-OS 10.2\n\n 10.2.0 through 10.2.*\n Upgrade to 10.2.8 or 11.1.16-h1 or later.\n All older\nunsupported\nPAN-OS versions Upgrade to a supported fixed version.Prisma Access 12.1\n12.1.2 through 12.1.*\nNo action needed.Prisma Access 11.2\n11.2.0 through 11.2*\nNo action needed.\n Prisma Access 10.2\n\n 10.2.0 through 10.2.*\n Upgrade to 10.2.10 or later.\n * See the note under Product Status for information regarding Prisma Access and Cloud NGFW upgrades.","supportingMedia":[{"type":"text/html","base64":false,"value":"\n \n \n \n \n \n \n \n \n \n \n \n
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.
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."}]}],"exploits":[{"lang":"en","value":"Palo Alto Networks is not aware of any malicious exploitation of this issue.","supportingMedia":[{"type":"text/html","base64":false,"value":"Palo Alto Networks is not aware of any malicious exploitation of this issue."}]}],"timeline":[{"time":"2026-08-12T16:00:00.000Z","lang":"en","value":"Initial publication"}],"credits":[{"lang":"en","value":"Jan Breig","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"},"x_affectedList":["PAN-OS 11.1.16","PAN-OS 11.1.15","PAN-OS 11.1.14","PAN-OS 11.1.13-h10","PAN-OS 11.1.13-h9","PAN-OS 11.1.13-h8","PAN-OS 11.1.13-h7","PAN-OS 11.1.13-h6","PAN-OS 11.1.13-h5","PAN-OS 11.1.13-h3","PAN-OS 11.1.13-h2","PAN-OS 11.1.13-h1","PAN-OS 11.1.13","PAN-OS 11.1.12","PAN-OS 11.1.11","PAN-OS 11.1.10-h30","PAN-OS 11.1.10-h28","PAN-OS 11.1.10-h27","PAN-OS 11.1.10-h26","PAN-OS 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