Lucene search
+L
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

GHSA-X6QJ-4H56-5RJ5 @nuxt/webpack-builder and @nuxt/rspack-builder dev server same-origin check bypassed when Sec-Fetch-Site, Origin, and Referer are all absent (incomplete fix for GHSA-6m52-m754-pw2g)

🗓️ 16 Jun 2026 23:39:16Reported by GoogleType 
osv
 osv🔗 osv.dev👁 10 Views

Incomplete fix leaves dev server open to source theft when host is nonloopback.

Related
Refs
ReporterTitlePublishedViews
Family
Circl		CVE-2026-49993
2 Jun 202614:32
–circl
CVE		CVE-2026-49993
12 Jun 202612:57
–cve
Cvelist		CVE-2026-49993 @nuxt/webpack-builder and @nuxt/rspack-builder dev server same-origin check bypassed when Sec-Fetch-Site, Origin, and Referer are all absent (incomplete fix for GHSA-6m52-m754-pw2g)
12 Jun 202612:57
–cvelist
EUVD		EUVD-2026-36421
16 Jun 202623:39
–euvd
Github Security Blog		@nuxt/webpack-builder and @nuxt/rspack-builder dev server same-origin check bypassed when Sec-Fetch-Site, Origin, and Referer are all absent (incomplete fix for GHSA-6m52-m754-pw2g)
16 Jun 202623:39
–github
NVD		CVE-2026-49993
12 Jun 202614:16
–nvd
OSV		CVE-2026-49993 @nuxt/webpack-builder and @nuxt/rspack-builder dev server same-origin check bypassed when Sec-Fetch-Site, Origin, and Referer are all absent (incomplete fix for GHSA-6m52-m754-pw2g)
12 Jun 202612:57
–osv
OSV		GHSA-6M52-M754-PW2G Nuxt: Dev server exposes built source over LAN to malicious sites (incomplete fix for GHSA-4gf7-ff8x-hq99)
19 May 202615:51
–osv
Positive Technologies		PT-2026-48868
12 Jun 202600:00
–ptsecurity
Snyk		Improper Verification of Source of a Communication Channel
12 Jun 202614:10
–snyk
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
08 Jul 2026 08:14Current
5.3Medium risk
Vulners AI Score5.3
CVSS 45.9
EPSS0.0028
webpack builderrspack builderdev servernonloopback hostsame origin checksecurity advisory
10