CVE-2026-0237 (GCVE-0-2026-0237)

Vulnerability from cvelistv5 – Published: 2026-05-13 17:48 – Updated: 2026-05-14 03:56
VLAI?
Title
Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass
Summary
An improper protection of alternate path vulnerability in Palo Alto Networks Prisma® Browser on macOS fails to properly restrict access to an internal automation bridge. This allows a locally authenticated non-admin user to leverage an exposed communication channel to send unauthorized commands to the browser, bypassing security controls.
CWE
  • CWE-424 - Improper Protection of Alternate Path
Assigner
References
Impacted products
Vendor Product Version
Palo Alto Networks Prisma Browser Affected: 0 , < 146.16.6.165 (custom)
Create a notification for this product.
Date Public ?
2026-05-13 16:00
Credits
Cisors
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-0237",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-13T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-14T03:56:35.801Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Prisma Browser",
          "vendor": "Palo Alto Networks",
          "versions": [
            {
              "changes": [
                {
                  "at": "146.16.6.165",
                  "status": "unaffected"
                }
              ],
              "lessThan": "146.16.6.165",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "No special configuration is required to be affected by this issue."
            }
          ],
          "value": "No special configuration is required to be affected by this issue."
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:palo_alto_networks:prisma_browser:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "146.16.6.165",
                  "versionStartIncluding": "146.16.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Cisors"
        }
      ],
      "datePublic": "2026-05-13T16:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An improper protection of alternate path vulnerability in Palo Alto Networks Prisma\u00ae Browser on macOS fails to properly restrict access to an internal automation bridge. This allows a locally authenticated non-admin user to leverage an exposed communication channel to send unauthorized commands to the browser, bypassing security controls."
            }
          ],
          "value": "An improper protection of alternate path vulnerability in Palo Alto Networks Prisma\u00ae Browser on macOS fails to properly restrict access to an internal automation bridge. This allows a locally authenticated non-admin user to leverage an exposed communication channel to send unauthorized commands to the browser, bypassing security controls."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue."
            }
          ],
          "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-121",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-121 Exploit Non-Production Interfaces"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NO",
            "Recovery": "USER",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "LOCAL",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "DIFFUSE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:M/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "MODERATE"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-424",
              "description": "CWE-424: Improper Protection of Alternate Path",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-13T17:48:17.677Z",
        "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
        "shortName": "palo_alto"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.paloaltonetworks.com/CVE-2026-0237"
        }
      ],
      "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\u003eSuggested Solution\u003cbr\u003e\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\n                                \u003ctd\u003ePrisma Browser\u003cbr\u003e\u003c/td\u003e\n                                \n                                \u003ctd\u003eUpgrade to 146.16.6.165 or later.\u003c/td\u003e\n                            \u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e"
            }
          ],
          "value": "VERSION          SUGGESTED SOLUTION\nPrisma Browser   Upgrade to 146.16.6.165 or later."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-13T16:00:00.000Z",
          "value": "Initial publication."
        }
      ],
      "title": "Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass",
      "workarounds": [
        {
          "lang": "eng",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "No known workarounds exist for this issue."
            }
          ],
          "value": "No known workarounds exist for this issue."
        }
      ],
      "x_affectedList": [
        "Prisma Browser 146.16.0",
        "Prisma Browser 146.16.1",
        "Prisma Browser 146.16.2",
        "Prisma Browser 146.16.3",
        "Prisma Browser 146.16.4",
        "Prisma Browser 146.16.5"
      ],
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
    "assignerShortName": "palo_alto",
    "cveId": "CVE-2026-0237",
    "datePublished": "2026-05-13T17:48:17.677Z",
    "dateReserved": "2025-11-03T20:43:58.032Z",
    "dateUpdated": "2026-05-14T03:56:35.801Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-0237",
      "date": "2026-05-16",
      "epss": "6e-05",
      "percentile": "0.0032"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-0237\",\"sourceIdentifier\":\"psirt@paloaltonetworks.com\",\"published\":\"2026-05-13T18:16:12.990\",\"lastModified\":\"2026-05-13T18:17:47.830\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An improper protection of alternate path vulnerability in Palo Alto Networks Prisma\u00ae Browser on macOS fails to properly restrict access to an internal automation bridge. This allows a locally authenticated non-admin user to leverage an exposed communication channel to send unauthorized commands to the browser, bypassing security controls.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NO\",\"Recovery\":\"USER\",\"valueDensity\":\"DIFFUSE\",\"vulnerabilityResponseEffort\":\"MODERATE\",\"providerUrgency\":\"AMBER\"}}]},\"weaknesses\":[{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-424\"}]}],\"references\":[{\"url\":\"https://security.paloaltonetworks.com/CVE-2026-0237\",\"source\":\"psirt@paloaltonetworks.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-0237\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-13T17:57:10.301891Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-13T18:23:51.231Z\"}}], \"cna\": {\"title\": \"Prisma Browser: Improperly Restricted Automation Bridge Allows Security Bypass\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Cisors\"}], \"impacts\": [{\"capecId\": \"CAPEC-121\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-121 Exploit Non-Production Interfaces\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"USER\", \"baseScore\": 7.3, \"Automatable\": \"NO\", \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"DIFFUSE\", \"vectorString\": \"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:M/U:Amber\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"AMBER\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"LOW\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"MODERATE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Palo Alto Networks\", \"product\": \"Prisma Browser\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"146.16.6.165\", \"status\": \"unaffected\"}], \"version\": \"0\", \"lessThan\": \"146.16.6.165\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"Palo Alto Networks is not aware of any malicious exploitation of this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Palo Alto Networks is not aware of any malicious exploitation of this issue.\", \"base64\": false}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-05-13T16:00:00.000Z\", \"value\": \"Initial publication.\"}], \"solutions\": [{\"lang\": \"eng\", \"value\": \"VERSION          SUGGESTED SOLUTION\\nPrisma Browser   Upgrade to 146.16.6.165 or later.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003ctable class=\\\"tbl\\\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eVersion\u003cbr\u003e\u003c/th\u003e\u003cth\u003eSuggested Solution\u003cbr\u003e\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\\n                                \u003ctd\u003ePrisma Browser\u003cbr\u003e\u003c/td\u003e\\n                                \\n                                \u003ctd\u003eUpgrade to 146.16.6.165 or later.\u003c/td\u003e\\n                            \u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\", \"base64\": false}]}], \"datePublic\": \"2026-05-13T16:00:00.000Z\", \"references\": [{\"url\": \"https://security.paloaltonetworks.com/CVE-2026-0237\", \"tags\": [\"vendor-advisory\"]}], \"workarounds\": [{\"lang\": \"eng\", \"value\": \"No known workarounds exist for this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"No known workarounds exist for this issue.\", \"base64\": false}]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An improper protection of alternate path vulnerability in Palo Alto Networks Prisma\\u00ae Browser on macOS fails to properly restrict access to an internal automation bridge. This allows a locally authenticated non-admin user to leverage an exposed communication channel to send unauthorized commands to the browser, bypassing security controls.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"An improper protection of alternate path vulnerability in Palo Alto Networks Prisma\\u00ae Browser on macOS fails to properly restrict access to an internal automation bridge. This allows a locally authenticated non-admin user to leverage an exposed communication channel to send unauthorized commands to the browser, bypassing security controls.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-424\", \"description\": \"CWE-424: Improper Protection of Alternate Path\"}]}], \"configurations\": [{\"lang\": \"en\", \"value\": \"No special configuration is required to be affected by this issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"No special configuration is required to be affected by this issue.\", \"base64\": false}]}], \"x_affectedList\": [\"Prisma Browser 146.16.0\", \"Prisma Browser 146.16.1\", \"Prisma Browser 146.16.2\", \"Prisma Browser 146.16.3\", \"Prisma Browser 146.16.4\", \"Prisma Browser 146.16.5\"], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:palo_alto_networks:prisma_browser:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"146.16.6.165\", \"versionStartIncluding\": \"146.16.6\"}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"d6c1279f-00f6-4ef7-9217-f89ffe703ec0\", \"shortName\": \"palo_alto\", \"dateUpdated\": \"2026-05-13T17:48:17.677Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-0237\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-14T03:56:35.801Z\", \"dateReserved\": \"2025-11-03T20:43:58.032Z\", \"assignerOrgId\": \"d6c1279f-00f6-4ef7-9217-f89ffe703ec0\", \"datePublished\": \"2026-05-13T17:48:17.677Z\", \"assignerShortName\": \"palo_alto\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…
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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…