Findings

Vulnerability · CVE-2024-45811

vitejs vite Exposure of Sensitive Information to an Unauthorized Actor

Published Sep 11, 2026 · corrected/updated Sep 11, 2026 · vitejs vite · evidence confidence very high

Vite a frontend build tooling framework for javascript. In affected versions the contents of arbitrary files can be returned to the browser. denies access to files outside of Vite serving allow list. Adding to the URL bypasses this limitation and returns the file content if it exists. This issue has been patched in versions 5.4.6, 5.3.6, 5.2.14, 4.5.5, and 3.2.11. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2024-45811 is a unknown public vulnerability record for vitejs vite. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether vitejs vite is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: vitejs vite. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: EPSS 1.1%. CISA lists it as known exploited. Sources contributing to this record: epss, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Sep 11, 2026. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 11, 2026 · VulnCheck KEV

    Detected

    Vite a frontend build tooling framework for javascript. In affected versions the contents of arbitrary files can be returned to the browser. denies access to files outside of Vite serving allow list. Adding to the URL bypasses this limitation and returns the file content if it exists. This issue has been patched in versions 5.4.6, 5.3.6, 5.2.14, 4.5.5, and 3.2.11. Users are advised to upgrade. The

  2. Sep 11, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor vitejs viteversion unspecified

Sources

  • FIRST EPSSExploitation probabilityCVE-2024-45811

    30-day exploitation probability 1.1%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2024-45811

    Vite a frontend build tooling framework for javascript. In affected versions the contents of arbitrary files can be returned to the browser. denies access to files outside of Vite serving allow list. Adding to the URL bypasses this limitation and returns the file content if it ex

    vulncheck.com

References