Vulnerability-Lookup

CVE-2026-18534 (GCVE-0-2026-18534)

Vulnerability from cvelistv5 – Published: 2026-08-18 14:57 – Updated: 2026-08-18 16:04

Title

Address bar spoofing risk in affected iOS versions of Arc Search

Summary

ArcSearch for iOS versions prior to 1.48.0 could keep the address bar hidden after a page-initiated scroll, allowing attacker-controlled content to imitate browser interface elements and increasing spoofing risk.

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-18 16:04 UTC

CWE

CWE-1021 - Improper restriction of rendered UI layers or frames

Assigner

BCNY mitre root

References

1 reference

URL	Tags
https://arc.net/security/bulletins#cve-2026-18534…

Impacted products

1 product

Vendor	Product	Version	CPE status
The Browser Company of New York	ArcSearch	Affected: 0 , < 1.48.0 (semver)	guessed

Date Public

2026-08-18 14:23

Show details on NVD website

JSON

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{
  "containers": {
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      {
        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2026-18534",
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-18T16:04:48.598793Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        },
        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "defaultStatus": "unaffected",
          "platforms": [
            "iOS"
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          "product": "ArcSearch",
          "vendor": "The Browser Company of New York",
          "versions": [
            {
              "lessThan": "1.48.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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        }
      ],
      "datePublic": "2026-08-18T14:23:00.000Z",
      "descriptions": [
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      "impacts": [
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          "capecId": "CAPEC-148",
          "descriptions": [
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              "lang": "en",
              "value": "CAPEC-148 Content Spoofing"
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      ],
      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "integrityImpact": "HIGH",
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        "orgId": "59469e6c-7ea7-446f-8e43-06aa32c115e8",
        "shortName": "BCNY"
      },
      "references": [
        {
          "url": "https://arc.net/security/bulletins#cve-2026-18534-address-bar-spoofing-risk-in-affected-ios-versions-of-arc-search"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Address bar spoofing risk in affected iOS versions of Arc Search",
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      }
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  "cveMetadata": {
    "assignerOrgId": "59469e6c-7ea7-446f-8e43-06aa32c115e8",
    "assignerShortName": "BCNY",
    "cveId": "CVE-2026-18534",
    "datePublished": "2026-08-18T14:57:22.862Z",
    "dateReserved": "2026-07-31T20:24:59.132Z",
    "dateUpdated": "2026-08-18T16:04:54.354Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}

FKIE_CVE-2026-18534

Vulnerability from fkie_nvd - Published: 2026-08-18 15:16 - Updated: 2026-08-18 15:16

Severity

7.4 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

Summary

References

	URL	Tags
	59469e6c-7ea7-446f-8e43-06aa32c115e8	https://arc.net/security/bulletins#cve-2026-18534-address-bar-spoofing-risk-in-affected-ios-versions-of-arc-search

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "iOS"
          ],
          "product": "ArcSearch",
          "vendor": "The Browser Company of New York",
          "versions": [
            {
              "lessThan": "1.48.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "59469e6c-7ea7-446f-8e43-06aa32c115e8"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ArcSearch for iOS versions prior to 1.48.0 could keep the address bar hidden after a page-initiated scroll, allowing attacker-controlled content to imitate browser interface elements and increasing spoofing risk."
    }
  ],
  "id": "CVE-2026-18534",
  "lastModified": "2026-08-18T15:16:49.667",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 4.0,
        "source": "59469e6c-7ea7-446f-8e43-06aa32c115e8",
        "type": "Secondary"
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  "published": "2026-08-18T15:16:49.667",
  "references": [
    {
      "source": "59469e6c-7ea7-446f-8e43-06aa32c115e8",
      "url": "https://arc.net/security/bulletins#cve-2026-18534-address-bar-spoofing-risk-in-affected-ios-versions-of-arc-search"
    }
  ],
  "sourceIdentifier": "59469e6c-7ea7-446f-8e43-06aa32c115e8",
  "vulnStatus": "Received",
  "weaknesses": [
    {
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        {
          "lang": "en",
          "value": "CWE-1021"
        }
      ],
      "source": "59469e6c-7ea7-446f-8e43-06aa32c115e8",
      "type": "Secondary"
    }
  ]
}

GHSA-9GWV-2W2H-PHFH

Vulnerability from github – Published: 2026-08-18 15:31 – Updated: 2026-08-18 15:31

Details

Severity

7.4 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-18534"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1021"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-18T15:16:49Z",
    "severity": "HIGH"
  },
  "details": "ArcSearch for iOS versions prior to 1.48.0 could keep the address bar hidden after a page-initiated scroll, allowing attacker-controlled content to imitate browser interface elements and increasing spoofing risk.",
  "id": "GHSA-9gwv-2w2h-phfh",
  "modified": "2026-08-18T15:31:46Z",
  "published": "2026-08-18T15:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18534"
    },
    {
      "type": "WEB",
      "url": "https://arc.net/security/bulletins#cve-2026-18534-address-bar-spoofing-risk-in-affected-ios-versions-of-arc-search"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

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.

Action not permitted

CVE-2026-18534 (GCVE-0-2026-18534)

FKIE_CVE-2026-18534

GHSA-9GWV-2W2H-PHFH

Tags

Sightings

Nomenclature