SvelteKit: Prototype pollution in file input deletion path in remote-function forms
Priority LOW 38CWE-1321Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
If you use remote form functions, have an input field of type `file`, and accept arbitrary user-controlled path names for the field, then you are vulnerable to a prototype pollution attack where the attacker can remove e.g. methods on the prototype.
Why it matters now
Fix Fixed @sveltejs/kit (npm): 2.69.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | @sveltejs/kit (npm) | before 2.69.1 | 2.69.1 | Patch available | GHSA-866w-xmhq-wj7x |
- @sveltejs/kit (npm) Vendor— Affected before 2.69.1 Fixed in 2.69.1 Patch available GHSA-866w-xmhq-wj7x
Remediation
- Fix · GHSA-866w-xmhq-wj7x @sveltejs/kit (npm) Fixed in 2.69.1 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-866w-xmhq-wj7x
References
Other 6
- https://github.com/sveltejs/kit/security/advisories/GHSA-866w-xmhq-wj7x
- https://github.com/sveltejs/kit/pull/16218
- https://github.com/sveltejs/kit/commit/df32f6fe86cdd0b68b650e3e4631e5896453dcd3
- https://github.com/sveltejs/kit
- https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected]
- https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected]
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences