CVE-2026-27125

Published: Feb 20, 2026Updated: Feb 23, 2026 Sources: CVE List NVD GHSACWE-915

NVD MITRE

6.8CVSSMEDIUM

EPSS Score

Description

Svelte SSR attribute spreading includes inherited properties from prototype chain

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-915

Affected Products

svelte npm OSS Libraries

svelte svelte

Library

OSS Libraries / web-framework

svelte sveltejs

Library

OSS Libraries / web-framework

npmpackage-ecosystemOSS Libraries

svelteoss-projectOSS Librariesaka kit, sveltekit

sveltejsoss-projectOSS Libraries

Exploitability

Official Patch Available

References

https://github.com/sveltejs/svelte/security/advisories/GHSA-crpf-4hrx-3jrp

github.com

https://nvd.nist.gov/vuln/detail/CVE-2026-27125

nvd.nist.gov

https://github.com/sveltejs/svelte/commit/73098bb26c6f06e7fd1b0746d817d2c5ee90755f

github.com

and 2 more references View all →

Timeline

Published

Feb 20, 2026

Last Updated

Feb 23, 2026

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