# CVE-2026-33686: Sharp is Vulnerable to Path Traversal via Unsanitized Extension in FileUtil

Source: https://junglewise.ai/threats/cve-2026-33686-sharp-is-vulnerable-to-path-traversal-via-unsanitized-extension  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-25  
License: CC BY 4.0 with a link back

CVE-2026-33686 · Severity: low · CVSS 3.1 · Published 2026-03-25

Sharp is Vulnerable to Path Traversal via Unsanitized Extension in FileUtil

Technologies: [code16/sharp (Packagist)](https://junglewise.ai/threats/technologies/code16-sharp). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2026-33686 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-33686 being exploited in the wild.

**How severe is CVE-2026-33686?** Low severity, with a CVSS score of 3.1, published 25 March 2026.

**Which products and versions are affected?** code16/sharp (Packagist) ECOSYSTEM:introduced=0,fixed=9.20.0.

**Is there a fix for CVE-2026-33686?** Yes. code16/sharp (Packagist): upgrade to 9.20.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-33686?** Check whether you run code16/sharp (Packagist) 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

- code16/sharp (Packagist): upgrade to 9.20.0 or later

  ```sh
  composer require code16/sharp:^9.20.0
  ```


## Affected products

- code16/sharp (Packagist) ECOSYSTEM:introduced=0,fixed=9.20.0

## Identifiers

- CVE-2026-33686
- GHSA-9ffq-6457-8958

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