CVE-2026-82258

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-82258
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82258.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-82258
Aliases
Published
2026-08-28T10:49:42Z
Modified
2026-10-28T02:30:55Z
Severity
  • 5.9 (Medium) CVSS_V4 - 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 CVSS Calculator
Summary
SvelteKit 2.38.0 before 2.60.1 Cross-User Data Disclosure via query.batch
Details

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.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-362"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82258.json"
}
References

Affected packages

Git / github.com/sveltejs/kit

Affected ranges

Type
GIT
Repo
https://github.com/sveltejs/kit
Events
Introduced
54e10cf07ab2bf06c6ec6d2ea225c34936c5d2e8
Fixed
d0204067efe97ac2199845ca6fe54cce62f3f5de
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "2.38.0"
                },
                {
                    "fixed": "2.60.1"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "cpe": "cpe:2.3:a:svelte:sveltekit:*:*:*:*:*:node.js:*:*",
            "range": [
                {
                    "introduced": "2.38.0"
                },
                {
                    "fixed": "2.60.1"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Affected versions

@sveltejs/adapter-auto@6.*
@sveltejs/adapter-auto@6.1.1
@sveltejs/adapter-auto@7.*
@sveltejs/adapter-auto@7.0.0
@sveltejs/adapter-auto@7.0.1
@sveltejs/adapter-cloudflare@7.*
@sveltejs/adapter-cloudflare@7.2.4
@sveltejs/adapter-cloudflare@7.2.5
@sveltejs/adapter-cloudflare@7.2.6
@sveltejs/adapter-cloudflare@7.2.7
@sveltejs/adapter-cloudflare@7.2.8
@sveltejs/adapter-netlify@5.*
@sveltejs/adapter-netlify@5.2.4
@sveltejs/adapter-netlify@6.*
@sveltejs/adapter-netlify@6.0.0
@sveltejs/adapter-netlify@6.0.2
@sveltejs/adapter-netlify@6.0.3
@sveltejs/adapter-netlify@6.0.4
@sveltejs/adapter-node@5.*
@sveltejs/adapter-node@5.3.2
@sveltejs/adapter-node@5.3.3
@sveltejs/adapter-node@5.4.0
@sveltejs/adapter-node@5.5.0
@sveltejs/adapter-node@5.5.1
@sveltejs/adapter-node@5.5.2
@sveltejs/adapter-node@5.5.3
@sveltejs/adapter-node@5.5.4
@sveltejs/adapter-static@3.*
@sveltejs/adapter-static@3.0.10
@sveltejs/adapter-vercel@5.*
@sveltejs/adapter-vercel@5.10.3
@sveltejs/adapter-vercel@6.*
@sveltejs/adapter-vercel@6.0.0
@sveltejs/adapter-vercel@6.1.0
@sveltejs/adapter-vercel@6.1.1
@sveltejs/adapter-vercel@6.1.2
@sveltejs/adapter-vercel@6.2.0
@sveltejs/adapter-vercel@6.3.0
@sveltejs/adapter-vercel@6.3.1
@sveltejs/adapter-vercel@6.3.2
@sveltejs/adapter-vercel@6.3.3
@sveltejs/enhanced-img@0.*
@sveltejs/enhanced-img@0.10.0
@sveltejs/enhanced-img@0.10.1
@sveltejs/enhanced-img@0.10.2
@sveltejs/enhanced-img@0.10.3
@sveltejs/enhanced-img@0.10.4
@sveltejs/enhanced-img@0.8.2
@sveltejs/enhanced-img@0.8.3
@sveltejs/enhanced-img@0.8.4
@sveltejs/enhanced-img@0.8.5
@sveltejs/enhanced-img@0.9.0
@sveltejs/enhanced-img@0.9.1
@sveltejs/enhanced-img@0.9.2
@sveltejs/enhanced-img@0.9.3
@sveltejs/kit@2.*
@sveltejs/kit@2.38.0
@sveltejs/kit@2.38.1
@sveltejs/kit@2.39.0
@sveltejs/kit@2.39.1
@sveltejs/kit@2.40.0
@sveltejs/kit@2.41.0
@sveltejs/kit@2.42.0
@sveltejs/kit@2.42.1
@sveltejs/kit@2.42.2
@sveltejs/kit@2.43.0
@sveltejs/kit@2.43.1
@sveltejs/kit@2.43.2
@sveltejs/kit@2.43.3
@sveltejs/kit@2.43.4
@sveltejs/kit@2.43.5
@sveltejs/kit@2.43.6
@sveltejs/kit@2.43.7
@sveltejs/kit@2.43.8
@sveltejs/kit@2.44.0
@sveltejs/kit@2.45.0
@sveltejs/kit@2.46.0
@sveltejs/kit@2.46.1
@sveltejs/kit@2.46.2
@sveltejs/kit@2.46.3
@sveltejs/kit@2.46.4
@sveltejs/kit@2.46.5
@sveltejs/kit@2.47.0
@sveltejs/kit@2.47.1
@sveltejs/kit@2.47.2
@sveltejs/kit@2.47.3
@sveltejs/kit@2.48.0
@sveltejs/kit@2.48.1
@sveltejs/kit@2.48.2
@sveltejs/kit@2.48.3
@sveltejs/kit@2.48.4
@sveltejs/kit@2.48.5
@sveltejs/kit@2.48.6
@sveltejs/kit@2.48.7
@sveltejs/kit@2.48.8
@sveltejs/kit@2.49.0
@sveltejs/kit@2.49.1
@sveltejs/kit@2.49.2
@sveltejs/kit@2.49.3
@sveltejs/kit@2.49.4
@sveltejs/kit@2.49.5
@sveltejs/kit@2.50.0
@sveltejs/kit@2.50.1
@sveltejs/kit@2.50.2
@sveltejs/kit@2.51.0
@sveltejs/kit@2.52.0
@sveltejs/kit@2.52.2
@sveltejs/kit@2.53.0
@sveltejs/kit@2.53.1
@sveltejs/kit@2.53.2
@sveltejs/kit@2.53.3
@sveltejs/kit@2.53.4
@sveltejs/kit@2.54.0
@sveltejs/kit@2.55.0
@sveltejs/kit@2.56.0
@sveltejs/kit@2.56.1
@sveltejs/kit@2.57.0
@sveltejs/kit@2.57.1
@sveltejs/kit@2.58.0
@sveltejs/kit@2.59.0
@sveltejs/kit@2.59.1
@sveltejs/kit@2.60.0
@sveltejs/package@2.*
@sveltejs/package@2.5.1
@sveltejs/package@2.5.2
@sveltejs/package@2.5.3
@sveltejs/package@2.5.4
@sveltejs/package@2.5.5
@sveltejs/package@2.5.6
@sveltejs/package@2.5.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82258.json"