{
  "document": {
    "acknowledgments": [
      {
        "summary": "These vulnerabilities were disclosed by the PHP Foundation."
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "title": "Summary",
        "text": "On October 21, the PHP Foundation announced the availability of a Critical PHP Security release addressing two critical vulnerabilities:\r\n\r\nCVE-2026-109618 - RCE via OOM corruption\r\nCVE-2026-109619 - RCE via stale global state\r\n\r\nFor information about these vulnerabilities, see the advisories GHSA-w8hw-w9fx-j79w [\"https://github.com/php/php-src/security/advisories/GHSA-w8hw-w9fx-j79w\"] and GHSA-6wmf-4rv5-p3rp [\"https://github.com/php/php-src/security/advisories/GHSA-6wmf-4rv5-p3rp\"]. These vulnerabilities are being referenced as PHP2shell.\r\n\r\nFor information about Splunk products and offerings, see Vulnerabilities in PHP (CVE-2026-109618, CVE-2026-109619) on Splunk Products - October 2026 [\"https://advisory.splunk.com/advisories/SVD-2026-1013\"].\r\n\r\nImportant: If a product is not listed within this advisory, Cisco's review indicates that the product is not affected by this vulnerability.\r\n\r\nThis advisory will be updated as additional information becomes available.\r\n\r\n"
      },
      {
        "category": "general",
        "title": "Affected Products",
        "text": "Cisco has investigated its product line to determine which products may be affected by this vulnerability.\r\n\r\nThe Vulnerable Products [\"#vp\"] section includes Cisco bug IDs for each affected product or service. The bugs are accessible through the Cisco Bug Search Tool [\"https://bst.cloudapps.cisco.com/bugsearch/bug/BUGID\"] and contain additional platform-specific information, including workarounds (if available) and fixed software releases."
      },
      {
        "category": "general",
        "title": "Vulnerable Products",
        "text": "The following table lists Cisco products that are affected by the vulnerability that is described in this advisory. If a future release date is indicated for software, the date provided represents an estimate based on all information known to Cisco as of the Last Updated date at the top of the advisory. Availability dates are subject to change based on a number of factors, including satisfactory testing results and delivery of other priority features and fixes. Customers should refer to the associated Cisco bug(s) for further details.\r\n\r\nImportant: If a product is not listed within this advisory, Cisco's review indicates that the product is not affected by this vulnerability.\r\n        Cisco Product  Cisco Bug ID  Fixed Release Available          Wireless      Ultra-Reliable Wireless Backhaul (URWB)1,2\r\nUnified Industrial Wireless Software  CSCwx37073 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwx37073\"]  26.2.1.9      Voice and Unified Communications Devices      Expressway Series2  CSCwx37062 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwx37062\"]  15.5.21      Expressway Select Series2  CSCwx37062 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwx37062\"]  15.5.21      Network and Content Security Devices      Duo Access Gateway     3.2.0\r\nDuo Access Gateway - Release Notes [\"https://duo.com/docs/dag-notes\"]      Identity Services Engine (ISE) Portal Builder     Fix deployed, no customer action required.\r\n1. For this product, the attacker must be authenticated as an administrator to exploit this vulnerability. As a result, the CVSS vector is CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H, reducing the CVSS score to 6.6.\r\n2. There is a workaround for this product. See the Workaround section of the bug ID for more information."
      },
      {
        "category": "general",
        "title": "Products Confirmed Not Vulnerable",
        "text": "Cisco has confirmed that these vulnerabilities do not affect the following Cisco products:\r\n        Application Observability      AppDynamics Enterprise Console      AppDynamics On-Premises Secure Application      AppDynamics PHP Agent      AppDynamics Virtual Appliance      Network and Content Security Devices      AI Defense (hybrid on-premises deployment)      Content Security Management Appliance (SMA)      Email Security Appliance (ESA)      Hypershield      Identity Services Engine (ISE)      ISE Passive Identity Connector      Secure Firewall Adaptive Security Appliance      Secure Firewall Management Center      Secure Firewall Threat Defense      Network Management and Provisioning      Business Process Automation (BPA)      Catalyst Center (formerly DNA Center)      Catalyst SD-WAN Manager      Common Services Platform Collector (CSPC)      CX Agent      Evolved Programmable Network Manager (EPNM)      Nexus Dashboard      Catalyst SD-WAN Analytics      Catalyst SD-WAN Controller      Catalyst SD-WAN Portal      Catalyst SD-WAN Validator      Software Defined-Application Visibility and Control (SD-AVC)      Software Defined-Application Visibility and Control (SD-AVC) Cloud Connector      WAN Automation Engine (WAE)      Routing and Switching - Enterprise and Service Provider      ASR 5000 Series Software (StarOS)      Catalyst 1300 Series Switches      IOS Software      IOS XE Software      IOS XR Software      NX-OS Software      Policy Suite (CPS)      Ultra Packet Core - Policy Control Function (PCF)      Ultra Packet Core - Subscriber Microservices Infrastructure      Ultra Packet Core - User Plane Function      Ultra Packet Core - Converged Policy and Charging      Unified Computing      All UCS Software      Video, Streaming, TelePresence, and Transcoding Devices      Meeting Management (CMM)      Meeting Server (CMS)      Cisco Cloud Hosted Services      AppDynamics SaaS Secure Application      Duo      IoT Control Center      Multicloud Defense      OpenDNS      Secure Access      Secure Connect      Secure Email Cloud Gateway      Secure Email Encryption Service (CRES)      Secure Email Threat Defense (ETD)      Security Cloud Control       Security Cloud Control - Firewall Management (formerly Cisco Defense Orchestrator)      Slido      ThousandEyes      Umbrella      Umbrella DNS Resolvers      Vulnerability Management (formerly Kenna.VM)      Webex Application      Webex AI Agent      Webex Calling      Webex Collaboration Control Hub      Webex Contact Center      Webex Contact Center Enterprise      Webex Events      Webex Meetings      Webex Web SDK      Cisco Services      CX Cloud      IQ      IQ-Link      SD-WAN Cloud OnRamp      Smart Software Manager (SSM) On-Prem      Meraki Devices      Meraki Dashboard      Meraki MG Cellular Gateways      Meraki MR Wireless Access Points      Meraki MS Series Switches      Meraki MT Series Sensors      Meraki MV Smart Cameras      Meraki MX Security and SD-WAN Appliances\r\nImportant: If a product is not listed within this advisory, Cisco's review indicates that the product is not affected by this vulnerability."
      },
      {
        "category": "general",
        "title": "Workarounds",
        "text": "Any workarounds for a specific Cisco product or service are documented in the relevant Cisco bugs, which are identified in the Vulnerable Products [\"#vp\"] section of this advisory."
      },
      {
        "category": "general",
        "title": "Fixed Software",
        "text": "For information about fixed software releases [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], consult the Cisco bugs identified in the Vulnerable Products [\"#vp\"] section of this advisory.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories [\"https://www.cisco.com/go/psirt\"] page, to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers."
      },
      {
        "category": "general",
        "title": "Vulnerability Policy",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.\r\n\r\nFor additional information on Cisco's vulnerability management, disclosure cadence, and software patching strategy, see Cisco's Transition to a Risk-Based Vulnerability Disclosure Model [\"https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure\"]."
      },
      {
        "category": "general",
        "title": "Exploitation and Public Announcements",
        "text": "The Cisco Product Security Incident Response Team (PSIRT) is aware that a public announcement is available for the vulnerabilities that are described in this advisory.\r\n\r\nThe Cisco PSIRT is not aware of any malicious use of these vulnerabilities against any Cisco product."
      },
      {
        "category": "general",
        "title": "Source",
        "text": "These vulnerabilities were disclosed by the PHP Foundation."
      },
      {
        "category": "legal_disclaimer",
        "title": "Legal Disclaimer",
        "text": "SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT\r\n\r\nThe Cisco Support and Downloads [\"https://www.cisco.com/c/en/us/support/index.html\"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid.\r\n\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories [\"https://www.cisco.com/go/psirt\"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"] or their contracted maintenance providers.\r\nLEGAL DISCLAIMER DETAILS\r\n\r\nCISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nCopies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories [\"https://www.cisco.com/go/psirt\"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] for more information."
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@cisco.com",
      "issuing_authority": "Cisco PSIRT",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Vulnerabilities in PHP Affecting Cisco Products: October 2026",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-php-october26-Jj384Daq"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "GHSA-w8hw-w9fx-j79w",
        "url": "https://github.com/php/php-src/security/advisories/GHSA-w8hw-w9fx-j79w"
      },
      {
        "category": "external",
        "summary": "GHSA-6wmf-4rv5-p3rp",
        "url": "https://github.com/php/php-src/security/advisories/GHSA-6wmf-4rv5-p3rp"
      },
      {
        "category": "external",
        "summary": "Vulnerabilities in PHP (CVE-2026-109618, CVE-2026-109619) on Splunk Products - October 2026",
        "url": "https://advisory.splunk.com/advisories/SVD-2026-1013"
      },
      {
        "category": "external",
        "summary": "Cisco Bug Search Tool",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/BUGID"
      },
      {
        "category": "external",
        "summary": "CSCwx37073",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwx37073"
      },
      {
        "category": "external",
        "summary": "CSCwx37062",
        "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwx37062"
      },
      {
        "category": "external",
        "summary": "Duo Access Gateway - Release Notes",
        "url": "https://duo.com/docs/dag-notes"
      },
      {
        "category": "external",
        "summary": "fixed software releases",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisories",
        "url": "https://www.cisco.com/go/psirt"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Cisco's Transition to a Risk-Based Vulnerability Disclosure Model",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure"
      },
      {
        "category": "external",
        "summary": "Cisco Support and Downloads",
        "url": "https://www.cisco.com/c/en/us/support/index.html"
      },
      {
        "category": "external",
        "summary": "Cisco Technical Assistance Center (TAC)",
        "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
      }
    ],
    "title": "Vulnerabilities in PHP Affecting Cisco Products: October 2026",
    "tracking": {
      "current_release_date": "2026-11-06T14:21:13+00:00",
      "generator": {
        "date": "2026-11-06T14:21:16+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-php-october26-Jj384Daq",
      "initial_release_date": "2026-10-21T19:12:00+00:00",
      "revision_history": [
        {
          "date": "2026-10-21T19:12:02+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        },
        {
          "date": "2026-10-22T01:24:35+00:00",
          "number": "1.1.0",
          "summary": "Updated vulnerable products and products confirmed not vulnerable."
        },
        {
          "date": "2026-10-22T14:13:29+00:00",
          "number": "1.2.0",
          "summary": "Updated products under investigation and products confirmed not vulnerable."
        },
        {
          "date": "2026-10-22T20:34:46+00:00",
          "number": "1.3.0",
          "summary": "Added the Splunk advisory link. Updated products under investigation, vulnerable products, and products confirmed not vulnerable."
        },
        {
          "date": "2026-10-22T23:00:35+00:00",
          "number": "1.4.0",
          "summary": "Updated products under investigation and products confirmed not vulnerable."
        },
        {
          "date": "2026-10-23T16:16:37+00:00",
          "number": "1.5.0",
          "summary": "Updated products under investigation and products confirmed not vulnerable. Added a statement to explain that any product not listed in this advisory is considered not affected by this vulnerability."
        },
        {
          "date": "2026-10-23T22:39:09+00:00",
          "number": "1.6.0",
          "summary": "Updated to indicate that workarounds are available. Updated products under investigation and products confirmed not vulnerable."
        },
        {
          "date": "2026-10-26T20:00:23+00:00",
          "number": "1.7.0",
          "summary": "Updated products under investigation and products confirmed not vulnerable. Updated fixed release information."
        },
        {
          "date": "2026-10-27T20:49:14+00:00",
          "number": "1.8.0",
          "summary": "Updated vulnerable products and products confirmed not vulnerable."
        },
        {
          "date": "2026-10-28T16:48:16+00:00",
          "number": "1.9.0",
          "summary": "Update fix availability date for Ultra-Reliable Wireless Backhaul (URWB) and Unified Industrial Wireless Software."
        },
        {
          "date": "2026-10-30T19:24:31+00:00",
          "number": "1.10.0",
          "summary": "Updated fix status for ISE Portal Builder and fixed release for Ultra-Reliable Wireless Backhaul (URWB) and Unified Industrial Wireless Software. Added Webex Events to products confirmed not vulnerable."
        },
        {
          "date": "2026-11-06T14:21:13+00:00",
          "number": "1.11.0",
          "summary": "Updated Ultra-Reliable Wireless Backhaul (URWB) and Unified Industrial Wireless Software as being available."
        }
      ],
      "status": "final",
      "version": "1.11.0"
    }
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-109618",
      "notes": [
        {
          "category": "general",
          "title": "No Notes",
          "text": "No additional information for this vulneraiblity is currently avaialbe."
        }
      ],
      "title": "Vulnerabilities in PHP Affecting Cisco Products: October 2026"
    },
    {
      "cve": "CVE-2026-109619",
      "notes": [
        {
          "category": "general",
          "title": "No Notes",
          "text": "No additional information for this vulneraiblity is currently avaialbe."
        }
      ],
      "title": "Vulnerabilities in PHP Affecting Cisco Products: October 2026"
    }
  ]
}