Cross-Project Information Leakage in Google App Engine UI

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  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-8934",
    "assignerOrgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
    "assignerShortName": "GoogleCloud",
    "dateUpdated": "2026-06-22T16:29:08.221Z",
    "dateReserved": "2026-05-19T10:54:39.724Z",
    "datePublished": "2026-06-22T15:20:05.139Z",
    "state": "PUBLISHED"
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        "dateUpdated": "2026-06-22T15:20:05.139Z"
      },
      "title": "Cross-Project Information Leakage in Google App Engine UI",
      "descriptions": [
        {
          "lang": "en",
          "value": "A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request.\n\nThis vulnerability was patched on 7 April 2026, and no customer action is needed.",
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              "value": "A Missing Authorization vulnerability in a GraphQL private API operation of the Google App Engine section of the Cloud Console allows an unauthenticated remote attacker to leak sensitive App Engine request logs from other projects using a specially crafted request.<br><br>This vulnerability was patched on 7 April 2026, and no customer action is needed.<br>"
            }
          ]
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      "affected": [
        {
          "vendor": "Google Cloud",
          "product": "Cloud Console UIs",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "date",
              "lessThan": "2026-04-07"
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      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-862 Missing Authorization",
              "cweId": "CWE-862",
              "type": "CWE"
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      "references": [
        {
          "url": "https://docs.cloud.google.com/support/bulletins#gcp-2026-038"
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      "impacts": [
        {
          "capecId": "CAPEC-1",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
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      "credits": [
        {
          "lang": "en",
          "value": "Michael Dalton",
          "type": "reporter"
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        {
          "lang": "en",
          "value": "Arvin Shivram",
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