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

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). 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
    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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