Improper Handling of Insufficient Permissions or Privileges Affecting deno package, versions <2.5.3
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published8 Oct 2025
- disclosed7 Oct 2025
- creditAlessio Della Libera
Introduced: 7 Oct 2025
NewCVE-2025-61785 (opens in a new tab)How to fix?
Upgrade deno to version 2.5.3 or higher.
Overview
deno is an a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.
Affected versions of this package are vulnerable to Improper Handling of Insufficient Permissions or Privileges via the utime and utimeSync functions. An attacker can modify file access and modification timestamps by invoking these functions on file streams opened with read-only permissions, even when write operations are explicitly denied through permission flags.