CVE-2026-0301 (GCVE-0-2026-0301)
Vulnerability from cvelistv5 – Published: 2026-08-13 02:05 – Updated: 2026-10-15 01:11
VLAI
EPSS
VEX
Title
PAN-OS: Information Disclosure Vulnerability in URL Filtering
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 13:31 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0301 | vendor-advisory |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
4 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Palo Alto Networks | Cloud NGFW |
Affected:
All
(custom)
cpe:2.3:a:palo_alto_networks:cloud_ngfw:all:*:aws:*:*:*:*:* cpe:2.3:a:palo_alto_networks:cloud_ngfw:all:*:azure:*:*:*:*:* |
||
| Palo Alto Networks | PAN-OS |
Unaffected:
12.1.0
(custom)
Unaffected: 11.2.0 (custom) Affected: 11.1.0 , < 11.1.16-h1 (custom) Affected: 10.2.0 , < 10.2.8 (custom) cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:-:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.15:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.14:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.12:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.11:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.10:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.9:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.8:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.6:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.5:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.4:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.3:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.2:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.1:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.1.0:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:10.2.7:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:10.2.6:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:10.2.5:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:10.2.4:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:10.2.3:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:10.2.2:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:10.2.1:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:10.2.0:*:*:*:*:*:*:* |
||
| Palo Alto Networks | Prisma Access |
Unaffected:
12.1.0
(custom)
Unaffected: 11.2.0 (custom) Affected: 10.2.0 , < 10.2.10 (custom) cpe:2.3:a:palo_alto_networks:prisma_access:*:*:*:*:*:*:*:* |
||
| Siemens | RUGGEDCOM APE1808 |
Affected:
0 , < *
(custom)
|
guessed |
Date Public
2026-08-12 16:00
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"value": "\u003cp\u003e\u003cspan\u003eCustomers can mitigate this issue by limiting the\u003c/span\u003e \u003ca target=\"_blank\" rel=\"nofollow\" href=\"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\"\u003e\u003cspan\u003eResponse Page Variables\u003c/span\u003e\u003c/a\u003e\u003cspan\u003e on their response page to only those in the\u003c/span\u003e \u003ca target=\"_blank\" rel=\"nofollow\" href=\"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\"\u003e\u003cspan\u003ePredefined URL Filtering Response Pages\u003c/span\u003e\u003c/a\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"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\"\u003e\u003cspan\u003e.\u003c/span\u003e\u003c/a\u003e\u003cspan\u003e The variables that are included in our predefined response pages (user, url, category, pan_form) are not impacted by this vulnerability.\u003c/span\u003e\u003c/p\u003e"
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},
{
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"value": "\u003cp\u003eThis issue applies only to firewalls where URL filtering is enabled with customized response page. \u003cb\u003e\u003cbr\u003e\u003cbr\u003e\u003c/b\u003eTo check if a PAN-OS device has Customized URL Filtering response pages, navigate to: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/ngfw/administration/firewall-administration/launch-the-web-interface/configure-response-pages\"\u003eDevice \u0026gt; Response Pages\u003c/a\u003e\u003cb\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/ngfw/administration/firewall-administration/launch-the-web-interface/configure-response-pages\"\u003e\u003cbr\u003e\u003c/a\u003e\u003c/b\u003eIf you have imported a custom URL Filtering HTML response page, your device is affected.\u003cbr\u003e\u003c/p\u003e"
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],
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}
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],
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],
"credits": [
{
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{
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],
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}
],
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{
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],
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"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
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},
{
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"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",
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}
]
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],
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],
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],
"solutions": [
{
"lang": "eng",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003ctable class=\"tbl\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eVersion\u003cbr\u003e\u003c/th\u003e\u003cth\u003eMinor Version\u003cbr\u003e\u003c/th\u003e\u003cth\u003eSuggested Solution\u003cbr\u003e\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eCloud NGFW*\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003eCustomers who prefer to upgrade can work with Palo Alto Networks support to schedule an on-demand software upgrade.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 12.1\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e12.1.2 through 12.1.6-h*\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 11.2\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.2.0 through 11.2.12\u003cbr\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\n \u003ctd\u003ePAN-OS 11.1\u003cbr\u003e\u003c/td\u003e\n \u003ctd\u003e11.1.0 through 11.1.16-h*\u003c/td\u003e\n \u003ctd\u003eUpgrade to 11.1.16-h1 or 11.1.17 or later.\u003c/td\u003e\n \u003c/tr\u003e\u003ctr\u003e\n \u003ctd\u003ePAN-OS 10.2\u003cbr\u003e\u003c/td\u003e\n \u003ctd\u003e10.2.0 through 10.2.*\u003c/td\u003e\n \u003ctd\u003eUpgrade to 10.2.8 or 11.1.17 or later.\u003c/td\u003e\n \u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAll older\u003cbr\u003eunsupported\u003cbr\u003ePAN-OS versions\u003c/td\u003e\u003ctd\u003e\u0026nbsp;\u003c/td\u003e\u003ctd\u003eUpgrade to a supported fixed version.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePrisma Access 12.1\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e12.1.2 through 12.1.*\u003cbr\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePrisma Access 11.2\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.2.0 through 11.2*\u003cbr\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\n \u003ctd\u003ePrisma Access 10.2\u003cbr\u003e\u003c/td\u003e\n \u003ctd\u003e10.2.0 through 10.2.*\u003c/td\u003e\n \u003ctd\u003eUpgrade to 10.2.10 or later.\u003c/td\u003e\n \u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003cbr\u003e\u003cspan\u003e* See the note under Product Status for information regarding Prisma Access and Cloud NGFW upgrades.\u003c/span\u003e"
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],
"value": "VERSION MINOR VERSION SUGGESTED SOLUTION\nCloud NGFW* Customers who prefer to upgrade can work with Palo Alto\n Networks support to schedule an on-demand software upgrade.\nPAN-OS 12.1 12.1.2 through 12.1.6-h* No action needed.\nPAN-OS 11.2 11.2.0 through 11.2.12 No action needed.\nPAN-OS 11.1 11.1.0 through 11.1.16-h* Upgrade to 11.1.16-h1 or 11.1.17 or later.\nPAN-OS 10.2 10.2.0 through 10.2.* Upgrade to 10.2.8 or 11.1.17 or later.\nAll older Upgrade to a supported fixed version.\nunsupported\nPAN-OS versions\nPrisma Access 12.1 12.1.2 through 12.1.* No action needed.\nPrisma Access 11.2 11.2.0 through 11.2* No action needed.\nPrisma Access 10.2 10.2.0 through 10.2.* Upgrade to 10.2.10 or later.\n\n\n* See the note under Product Status for information regarding Prisma Access and Cloud NGFW upgrades."
}
],
"source": {
"discovery": "EXTERNAL"
},
"timeline": [
{
"lang": "en",
"time": "2026-08-12T16:00:00.000Z",
"value": "Initial publication"
}
],
"title": "PAN-OS: Information Disclosure Vulnerability in URL Filtering",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003e\u003cspan\u003eCustomers can mitigate this issue by limiting the\u003c/span\u003e \u003ca target=\"_blank\" rel=\"nofollow\" href=\"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\"\u003e\u003cspan\u003eResponse Page Variables\u003c/span\u003e\u003c/a\u003e\u003cspan\u003e on their response page to only those in the\u003c/span\u003e \u003ca target=\"_blank\" rel=\"nofollow\" href=\"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\"\u003e\u003cspan\u003ePredefined URL Filtering Response Pages\u003c/span\u003e\u003c/a\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"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\"\u003e\u003cspan\u003e.\u003c/span\u003e\u003c/a\u003e\u003cspan\u003e The variables that are included in our predefined response pages (user, url, category, pan_form) are not impacted by this vulnerability.\u003c/span\u003e\u003c/p\u003e"
}
],
"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."
}
],
"x_affectedList": [
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"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",
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],
"x_cpeGeneratedAt": "2026-08-12T02:10:58.323Z",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
"assignerShortName": "palo_alto",
"cveId": "CVE-2026-0301",
"datePublished": "2026-08-13T02:05:25.118Z",
"dateReserved": "2025-11-03T20:44:59.306Z",
"dateUpdated": "2026-08-13T13:33:36.615Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.