---
title: "CVE-2026-106105: Quasar Framework - Information Disclosure"
description: "Quasar Framework prior to @quasar/ssl-certificate 2.1.0, @quasar/cli 5.0.4, and @quasar/app-vite 3.3.0 contains an information disclosure vulnerability caused by improper filesystem permissions on cached private key and certificate PEM, letting local attackers impersonate development TLS endpoints, exploit requires local user access to cache files."
url: https://panop.io/threat-heartbeat/CVE-2026-106105/
---

# CVE-2026-106105 Quasar Framework - Information Disclosure

Quasar Framework prior to @quasar/ssl-certificate 2.1.0, @quasar/cli 5.0.4, and @quasar/app-vite 3.3.0 contains an information disclosure vulnerability caused by improper filesystem permissions on cached private key and certificate PEM, letting local attackers impersonate development TLS endpoints, exploit requires local user access to cache files.

CVSS base score 8.4 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.07% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-106105)

## Details

Type

Information Disclosure

Impact

Information Disclosure

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

6 October 2026

Updated

15 October 2026

Weakness

[CWE-732](https://cwe.mitre.org/data/definitions/732.html)

## Vendor fix

Update to @quasar/ssl-certificate 2.1.0, @quasar/cli 5.0.4, and @quasar/app-vite 3.3.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-106105](https://nvd.nist.gov/vuln/detail/CVE-2026-106105)
- [https://github.com/quasarframework/quasar/commit/b719460aa78e88714b8a1b7ca68267234d217575](https://github.com/quasarframework/quasar/commit/b719460aa78e88714b8a1b7ca68267234d217575)
- [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)
- [https://github.com/quasarframework/quasar/releases/tag/@quasar/cli-v5.0.4](https://github.com/quasarframework/quasar/releases/tag/@quasar/cli-v5.0.4)
- [https://github.com/quasarframework/quasar/security/advisories/GHSA-fh39-c73x-5pjv](https://github.com/quasarframework/quasar/security/advisories/GHSA-fh39-c73x-5pjv)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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