{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/sveltejs/kit",
          "product": "kit",
          "vendor": "sveltejs",
          "versions": [
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              "lessThan": "2.60.1",
              "status": "affected",
              "version": "2.38.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "2.60.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:svelte:kit:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.60.1",
                  "versionStartIncluding": "2.38.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "rafabd1"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "elliott-with-the-longest-name-on-github"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "dummdidumm"
        }
      ],
      "datePublic": "2026-05-14T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows concurrent requests from different users to merge under a single request context. Attackers can exploit specific timing conditions to access sensitive data from other users\u0027 concurrent requests."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-362",
              "description": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T10:49:42.085Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-hgv7-v322-mmgr)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/sveltejs/kit/security/advisories/GHSA-hgv7-v322-mmgr"
        },
        {
          "name": "VulnCheck Advisory: SvelteKit 2.38.0 before 2.60.1 Cross-User Data Disclosure via query.batch",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/sveltekit-2.38.0-before-2.60.1-cross-user-data-disclosure-via-query-batch"
        }
      ],
      "title": "SvelteKit 2.38.0 before 2.60.1 Cross-User Data Disclosure via query.batch",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-82258",
    "datePublished": "2026-08-28T10:49:42.085Z",
    "dateReserved": "2026-08-28T10:39:30.356Z",
    "dateUpdated": "2026-08-28T10:49:42.085Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}