CVE•Published 2026-08-28•Modified 2026-08-31•0 articles on news•5 live references•NVD data
CVE-2026-82257Svelte · Sveltekit
Vulnerability data via NVD (ingested)
CVSS v3.1
4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
EPSS percentile
11
Exploit Prediction Scoring System · top 89% of all CVEs
Weaknesses (CWE)
Description
SvelteKit versions before 2.69.1 contain a prototype pollution vulnerability in remote form functions with file input fields that accept arbitrary user-controlled path names. Attackers can manipulate the deletion path to remove methods on the prototype, potentially disabling application functionality.
Timeline
Published 2026-08-28
Modified 2026-08-31
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-82257Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Svelte Sveltekit"All exposed Svelte Sveltekit instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Sveltekit"HTTP body or banner mentions "Sveltekit" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-82257Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-82257Censys host search filtered to this CVE id.
grep.app
CVE-2026-82257Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-82257GitHub code search for direct mentions.
Google dork
"CVE-2026-82257" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-82257 on GitHub.
We haven't classified any articles referencing CVE-2026-82257 yet. The external references above still apply.