CVE-2026-20686 (GCVE-0-2026-20686)

Vulnerability from cvelistv5 – Published: 2026-03-25 00:32 – Updated: 2026-03-25 00:32
VLAI?
Summary
This issue was addressed with improved input validation. This issue is fixed in iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data.
Severity ?
No CVSS data available.
CWE
  • An app may be able to access sensitive user data
Assigner
References
Impacted products
Vendor Product Version
Apple iOS and iPadOS Affected: 0 , < 26.3 (custom)
Create a notification for this product.
Show details on NVD website
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  "containers": {
    "cna": {
      "affected": [
        {
          "product": "iOS and iPadOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.3",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "This issue was addressed with improved input validation. This issue is fixed in iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "An app may be able to access sensitive user data",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-25T00:32:44.824Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/126346"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2026-20686",
    "datePublished": "2026-03-25T00:32:44.824Z",
    "dateReserved": "2025-11-11T14:43:07.873Z",
    "dateUpdated": "2026-03-25T00:32:44.824Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-20686\",\"sourceIdentifier\":\"product-security@apple.com\",\"published\":\"2026-03-25T01:17:05.487\",\"lastModified\":\"2026-03-25T01:17:05.487\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"This issue was addressed with improved input validation. This issue is fixed in iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://support.apple.com/en-us/126346\",\"source\":\"product-security@apple.com\"}]}}"
  }
}


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Sightings

Author Source Type Date

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.