CVE-2026-45173 (GCVE-0-2026-45173)

Vulnerability from cvelistv5 – Published: 2026-06-11 21:33 – Updated: 2026-06-12 13:40
VLAI
Title
Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure
Summary
Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21
Severity
8.4 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N/U:Amber
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-346 - Origin Validation Error
Assigner
References
Impacted products
Date Public
2026-06-11 17:10
Credits
Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-45173",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-12T13:40:10.517506Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-12T13:40:22.091Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Firefox",
            "Chrome",
            "Edge"
          ],
          "product": "Identity Browser Extensions",
          "vendor": "CyberArk Software, a Palo Alto Networks Company",
          "versions": [
            {
              "changes": [
                {
                  "at": "26.8.1",
                  "status": "unaffected"
                }
              ],
              "lessThan": "26.8.1",
              "status": "affected",
              "version": "26.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:cyberark_software_a_palo_alto_networks_company:identity_browser_extensions:*:*:firefox:*:*:*:*:*",
                  "versionEndExcluding": "26.8.1",
                  "versionStartIncluding": "26.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:cyberark_software_a_palo_alto_networks_company:identity_browser_extensions:*:*:chrome:*:*:*:*:*",
                  "versionEndExcluding": "26.8.1",
                  "versionStartIncluding": "26.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:cyberark_software_a_palo_alto_networks_company:identity_browser_extensions:*:*:edge:*:*:*:*:*",
                  "versionEndExcluding": "26.8.1",
                  "versionStartIncluding": "26.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue"
        }
      ],
      "datePublic": "2026-06-11T17:10:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21"
            }
          ],
          "value": "Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21"
        }
      ],
      "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-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N/U:Amber",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-346",
              "description": "CWE-346: Origin Validation Error",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-11T21:33:25.484Z",
        "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
        "shortName": "palo_alto"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://docs.cyberark.com/find-identity-administration-docs/latest/en/content/getstarted/identity-new-doc-location.htm"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-11T17:10:00.000Z",
          "value": "Initial publication."
        }
      ],
      "title": "Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
    "assignerShortName": "palo_alto",
    "cveId": "CVE-2026-45173",
    "datePublished": "2026-06-11T21:33:25.484Z",
    "dateReserved": "2026-05-08T23:00:57.503Z",
    "dateUpdated": "2026-06-12T13:40:22.091Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-45173",
      "date": "2026-06-12",
      "epss": "0.00086",
      "percentile": "0.25015"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-45173\",\"sourceIdentifier\":\"psirt@paloaltonetworks.com\",\"published\":\"2026-06-11T22:16:57.470\",\"lastModified\":\"2026-06-12T15:30:26.567\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:H/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:X/R:X/V:X/RE:X/U:Amber\",\"baseScore\":8.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"PASSIVE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"HIGH\",\"subIntegrityImpact\":\"HIGH\",\"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\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"AMBER\"}}]},\"weaknesses\":[{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-346\"}]}],\"references\":[{\"url\":\"https://docs.cyberark.com/find-identity-administration-docs/latest/en/content/getstarted/identity-new-doc-location.htm\",\"source\":\"psirt@paloaltonetworks.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-45173\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-12T13:40:10.517506Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-12T13:40:15.408Z\"}}], \"cna\": {\"title\": \"Idira Identity Browser Extension: Unauthorized Application Interaction via Origin Validation Failure\", \"source\": {\"discovery\": \"INTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue\"}], \"impacts\": [{\"capecId\": \"CAPEC-115\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-115 Authentication Bypass\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 8.4, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N/U:Amber\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"AMBER\", \"userInteraction\": \"PASSIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"HIGH\", \"vulnIntegrityImpact\": \"LOW\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"HIGH\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"CyberArk Software, a Palo Alto Networks Company\", \"product\": \"Identity Browser Extensions\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"26.8.1\", \"status\": \"unaffected\"}], \"version\": \"26.0.0\", \"lessThan\": \"26.8.1\", \"versionType\": \"custom\"}], \"platforms\": [\"Firefox\", \"Chrome\", \"Edge\"], \"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\": \"2026-06-11T17:10:00.000Z\", \"value\": \"Initial publication.\"}], \"datePublic\": \"2026-06-11T17:10:00.000Z\", \"references\": [{\"url\": \"https://docs.cyberark.com/find-identity-administration-docs/latest/en/content/getstarted/identity-new-doc-location.htm\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Idira Identity Browser Extension (Chrome, Firefox, and Edge builds) versions prior to 26.8.1 exhibit an origin validation flaw within its internal web-page verification routines. If an authenticated user navigates to a specially crafted webpage, this interaction could potentially allow a remote attacker to trigger unauthorized application interaction or execution parameters within the context of that authenticated browser session. CyberArk Security Bulletin: CA26-21\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-346\", \"description\": \"CWE-346: Origin Validation Error\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:cyberark_software_a_palo_alto_networks_company:identity_browser_extensions:*:*:firefox:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"26.8.1\", \"versionStartIncluding\": \"26.0.0\"}, {\"criteria\": \"cpe:2.3:a:cyberark_software_a_palo_alto_networks_company:identity_browser_extensions:*:*:chrome:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"26.8.1\", \"versionStartIncluding\": \"26.0.0\"}, {\"criteria\": \"cpe:2.3:a:cyberark_software_a_palo_alto_networks_company:identity_browser_extensions:*:*:edge:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"26.8.1\", \"versionStartIncluding\": \"26.0.0\"}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"d6c1279f-00f6-4ef7-9217-f89ffe703ec0\", \"shortName\": \"palo_alto\", \"dateUpdated\": \"2026-06-11T21:33:25.484Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-45173\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-12T13:40:22.091Z\", \"dateReserved\": \"2026-05-08T23:00:57.503Z\", \"assignerOrgId\": \"d6c1279f-00f6-4ef7-9217-f89ffe703ec0\", \"datePublished\": \"2026-06-11T21:33:25.484Z\", \"assignerShortName\": \"palo_alto\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.