CVE-2026-82257
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.3
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- EPSS probability
- 0.21%
- CWE
- CWE-1321
- Published
- 2026-08-28
- Last modified
- 2026-08-28
Affected products
- sveltejs kit
- sveltejs kit
Weakness type
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