{"id":"CVE-2026-82258","revision":"ef56f3229e8b47f1ae066298c2c11c1b","records":[{"revision":"ef56f3229e8b47f1ae066298c2c11c1b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-82258","aliases":[],"title":"SvelteKit 2.38.0 before 2.60.1 Cross-User Data Disclosure via query.batch","description":"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' concurrent requests.","state":0,"publishedAt":"2026-08-28T10:49:42.085+00:00","modifiedAt":"2026-10-08T15:25:30.362+00:00","affected":[{"ecosystem":"Vendor product","name":"kit","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"sveltejs\",\n                    \"product\": \"kit\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/%40sveltejs/kit\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.38.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.60.1\"\n                        },\n                        {\n                            \"version\": \"2.60.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/sveltejs/kit/security/advisories/GHSA-hgv7-v322-mmgr","https://www.vulncheck.com/advisories/sveltekit-2.38.0-before-2.60.1-cross-user-data-disclosure-via-query-batch"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-82258","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-82258","identifiers":["CVE-2026-82258"]},"retained":false,"historicalAffected":[]}],"coverage":[]}