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CVE-2025-67647

28
FAUCET Score

CVE-2025-67647 is a critical Server-Side Request Forgery (SSRF) and Denial of Service (DoS) vulnerability affecting SvelteKit versions prior to 2.49.5, specifically impacting applications using adapter-node or prerendered routes under certain conditions. With a CVSS score of 9.1 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete loss of availability and high confidentiality impact. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.4.1, < 5.5.1CPE matchmatch criteria
cpe:2.3:a:svelte:adapter-node:*:*:*:*:*:node.js:*:*
>= 2.19.0, < 2.49.5CPE matchmatch criteria
cpe:2.3:a:svelte:kit:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

8.4HIGH

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:H/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
LOW
VS Availability
HIGH
SS Confidentiality
LOW
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
37.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 15th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: @sveltejs/kitFixed in: 2.49.5
npmpatch availablevia ghsa
Product: @sveltejs/adapter-nodeFixed in: 5.5.1

Vendor Advisories (1)

npmGHSA-j62c-4x62-9r35high

SvelteKit is vulnerable to denial of service and possible SSRF when using prerendering

Jan 15, 2026

References

github.com / sveltejs/kit/commit/d9ae9b00b14f5574d109f3fd548f960594346226
Patch
github.com / sveltejs/kit/security/advisories/GHSA-j62c-4x62-9r35
Vendor Advisory