CVE-2026-82256
SvelteKit before 2.69.1 Denial of Service via Remote Form
- State
- Published
- Severity
- 6.9 Medium
- Published
- Aug 28, 2026
- Updated
- Oct 8, 2026
- Reserved
- Aug 28, 2026
Description
SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to crash the Node process by sending large payloads. Repeated exploitation causes denial of service by repeatedly crashing the application process.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | VulnCheck |
Weaknesses
- CWE-400 Uncontrolled Resource Consumption
Affected Products
| Product | Versions |
|---|---|
kitsveltejs |
|
References
- GitHub Security Advisory (GHSA-wqjv-9729-c5q2)vendor-advisory
- VulnCheck Advisory: SvelteKit before 2.69.1 Denial of Service via Remote Formthird-party-advisory
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