---
id: CVE-2025-61786
title: 'Deno is a JavaScript, TypeScript, and WebAssembly runtime'
summary: >-
  Deno is a JavaScript, TypeScript, and WebAssembly runtime. In versions prior
  to 2.5.3 and 2.2.15, `Deno.FsFile.prototype.stat` and
  `Deno.FsFile.prototype.statSync` are not limited by the permission model check
  `--deny-read=./`. It's poss…
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-269
vendor: deno
product: deno
affected:
  - deno <= 2.2.15
  - 'deno >= 2.3.0, < 2.5.3'
patched:
  - deno 2.5.3
published: '2025-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T13:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-61786'
references:
  - url: >-
      https://github.com/denoland/deno/commit/1ab2268c0bcbf9b0468e0e36963f77f8c31c73ec
    label: security-advisories@github.com
  - url: 'https://github.com/denoland/deno/pull/30876'
    label: security-advisories@github.com
  - url: 'https://github.com/denoland/deno/releases/tag/v2.2.15'
    label: security-advisories@github.com
  - url: 'https://github.com/denoland/deno/releases/tag/v2.5.3'
    label: security-advisories@github.com
  - url: 'https://github.com/denoland/deno/security/advisories/GHSA-qq26-84mh-26j9'
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00195
epssPercentile: 0.08441
ingestedAt: '2026-10-08T13:42:54.990Z'
---

## Overview

Deno is a JavaScript, TypeScript, and WebAssembly runtime. In versions prior to 2.5.3 and 2.2.15, `Deno.FsFile.prototype.stat` and `Deno.FsFile.prototype.statSync` are not limited by the permission model check `--deny-read=./`. It's possible to retrieve stats from files that the user do not have explicit read access to (the script is executed with `--deny-read=./`). Similar APIs like `Deno.stat` and `Deno.statSync` require `allow-read` permission, however, when a file is opened, even with file-write only flags and deny-read permission, it's still possible to retrieve file stats, and thus bypass the permission model. Versions 2.5.3 and 2.2.15 fix the issue.

## Affected

- `deno <= 2.2.15`
- `deno >= 2.3.0, < 2.5.3`

## Remediation

Upgrade past the affected range:

- `deno 2.5.3`