Vulnerability GHSA-866w-xmhq-wj7x
Medium Risk
MEDIUM RISK
CVSS Score: 4.3
Score Range: 4.0–6.9
Medium severity vulnerabilities (CVSS 4.0–6.9). Important issues that meaningfully reduce security confidence.
3 months ago
July 24, 2026 at 03:58 PM UTC
SvelteKit: Prototype pollution in file input deletion path in remote-function forms
<2.69.1
<2.69.1
Summary
SvelteKit: Prototype pollution in file input deletion path in remote-function forms
Details
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.
Related Vulnerabilities
Other vulnerabilities affecting the same packages
Medium Risk
21 days ago
SvelteKit: URL redirection to untrusted site via enhanced form submission
<3.0.0 GHSA-pfhg-q3qv-9q6r
<3.0.0 GHSA-pfhg-q3qv-9q6r
Low Risk
21 days ago
SvelteKit : XSS via untrusted cache-control header in prerendered page
<3.0.0 GHSA-27mw-82g8-phjj
<3.0.0 GHSA-27mw-82g8-phjj
Medium Risk
3 months ago
SvelteKit: ReDoS (O(n^2)) in content negotiation — unauthenticated DoS via the Accept header
<2.70.2 GHSA-29g2-3rmr-qm68
<2.70.2 GHSA-29g2-3rmr-qm68
Medium Risk
3 months ago
SvelteKit: Big remote form function payloads can cause Node process to crash
<2.69.1 GHSA-wqjv-9729-c5q2
<2.69.1 GHSA-wqjv-9729-c5q2
Medium Risk
5 months ago
@sveltejs/kit: `query.batch` cross-talk
>=2.38.0 <2.60.1 GHSA-hgv7-v322-mmgr
>=2.38.0 <2.60.1 GHSA-hgv7-v322-mmgr
Impacted packages
Timeline
Published
3 months ago
July 24, 2026 at 03:58 PM UTC
Fixed (2.69.1)
4 months ago
July 02, 2026 at 09:49 PM UTC
Last Modified
2 months ago
August 29, 2026 at 03:55 AM UTC