# CVE-2026-106107: Quasar Framework SSR/SSG nonce injection in HTML attributes

Source: https://junglewise.ai/threats/cve-2026-106107-quasar-framework-is-a-framework-for-building-high-performance  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-106107 · Severity: high · CVSS 4 · Published 2026-10-06

Quasar Framework is a Vue.js UI development framework that supports server-side rendering (SSR) and static site generation (SSG). Prior to version 3.3.0, the framework could inject attacker-controlled nonce values directly into HTML attributes without proper sanitization, allowing an attacker to break out of the attribute context and inject arbitrary HTML or additional attributes if they can control the nonce value.

Technologies: [@quasar/app-vite (npm)](https://junglewise.ai/threats/technologies/npm-quasar-app-vite), [Quasar @Quasar/App-Vite](https://junglewise.ai/threats/technologies/quasar-app-vite). Vendors: [npm](https://junglewise.ai/threats/vendors/npm), [Quasar](https://junglewise.ai/threats/vendors/quasar).

## Quick answers

**Is CVE-2026-106107 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-106107 being exploited in the wild.

**How severe is CVE-2026-106107?** High severity, with a CVSS score of 4, published 6 October 2026.

**Which products and versions are affected?** @quasar/app-vite (npm) <= 3.2.0, SEMVER:introduced=0,fixed=3.3.0; Quasar @Quasar/App-Vite before 3.3.0.

**Is there a fix for CVE-2026-106107?** Yes. @quasar/app-vite (npm): upgrade to 3.3.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-106107 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-106107?** Check whether you run @quasar/app-vite (npm) or Quasar @Quasar/App-Vite at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- @quasar/app-vite (npm): upgrade to 3.3.0 or later

  ```sh
  npm install @quasar/app-vite@3.3.0
  ```


## Technical details

The vulnerability exists in @quasar/app-vite's SSR and SSG rendering paths, where the ssrContext.nonce value is interpolated directly into quoted HTML attributes without validation. An attacker who can derive or override the nonce value with HTML special characters (such as quotes) can terminate the nonce attribute and inject additional attributes or markup. Cryptographically generated base64 or base64url nonces are unaffected because they lack HTML attribute delimiters. The fix validates nonce attributes before rendering.

## Affected products

- Quasar @quasar/app-vite before 3.3.0

## Identifiers

- CVE-2026-106107
- GHSA-5m6h-8g35-p3m7

## Timeline

- 2026-10-06: disclosed
- 2026-07-29: patched

## References

- [https://github.com/quasarframework/quasar/commit/91271c38859bec51e154b60c24497a637ce903d7](https://github.com/quasarframework/quasar/commit/91271c38859bec51e154b60c24497a637ce903d7)
- [https://github.com/quasarframework/quasar/releases/tag/@quasar/app-vite-v3.3.0](https://github.com/quasarframework/quasar/releases/tag/@quasar/app-vite-v3.3.0)

## Related threats

- [Quasar Framework App Vite SSG path traversal in output directory](https://junglewise.ai/threats/cve-2026-106108-quasar-framework-app-vite-ssg-page-output-paths-can-escape-the)
- [Quasar Framework @quasar/app-vite unsafe build directory cleanup](https://junglewise.ai/threats/cve-2026-106109-quasar-framework-is-a-framework-for-building-high-performance)
- [Quasar Framework SSR/SSG information disclosure in development server](https://junglewise.ai/threats/cve-2026-106106-quasar-framework-is-a-framework-for-building-high-performance)
- [Quasar Framework SSL certificate cache permissions vulnerability](https://junglewise.ai/threats/cve-2026-106105-quasar-framework-is-a-framework-for-building-high-performance)