CVE-2026-106106

Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to @quasar/render-ssr-error 2.2.4 and @quasar/app-vite 3.3.0, renderSSRError() in utils/render-ssr-error/src/index.js used diagnostic data from utils/render-ssr-error/src/env.js to serialize process.env, request headers, and cookies into the HTTP page returned by serve.devError(), while the development server listened on all interfaces by default. Any network-adjacent client that reaches an SSR or SSG render failure through this development-only error path can obtain shell environment secrets. The renderer escaped only one exact lowercase script closing-tag spelling, so case variants and valid closing-tag delimiter variants in reflected diagnostic data could terminate the script element and inject markup; executing the injected code in a developer browser additionally requires the payload to accompany that developer's request. This issue is fixed in @quasar/render-ssr-error 2.2.4 and @quasar/app-vite 3.3.0.

CVSS

No CVSS.

References

Link	Resource
https://github.com/quasarframework/quasar/commit/61c2bd8a607785fdade72cce20e8faf1de7eee15
https://github.com/quasarframework/quasar/releases/tag/@quasar/app-vite-v3.3.0
https://github.com/quasarframework/quasar/security/advisories/GHSA-r5mf-4r5x-q78f
https://github.com/quasarframework/quasar/security/advisories/GHSA-r5mf-4r5x-q78f

Configurations

No configuration.

History

06 Oct 2026, 19:17

Type	Values Removed	Values Added
References	~~() https://github.com/quasarframework/quasar/security/advisories/GHSA-r5mf-4r5x-q78f -~~	() https://github.com/quasarframework/quasar/security/advisories/GHSA-r5mf-4r5x-q78f -

06 Oct 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-06 18:16

Updated : 2026-10-06 20:03

NVD link : CVE-2026-106106

Mitre link : CVE-2026-106106

CVE.ORG link : CVE-2026-106106

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-497

Exposure of Sensitive System Information to an Unauthorized Control Sphere

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