CVE-2026-33686
8.8 · HIGHOverview
CVE-2026-33686 is a high-severity vulnerability affecting code16 sharp. It was published on March 26, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Sharp is a content management framework built for Laravel as a package. Versions prior to 9.20.0 have a path traversal vulnerability in the FileUtil class. The application fails to sanitize file extensions properly, allowing path separators to be passed into the storage layer. In `src/Utils/FileUtil.php`, the `FileUtil::explodeExtension()` function extracts a file's extension by splitting the filename at the last dot. This issue has been patched in version 9.20.0 by properly sanitizing the extension using `pathinfo(PATHINFO_EXTENSION)` instead of `strrpos()`, alongside applying strict regex replacements to both the base name and the extension.
Remediation
Check the references section for vendor advisories and patches from code16. Update sharp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| code16 | sharp | >= 0, < 9.20.0 | Affected |
Frequently Asked Questions
What is CVE-2026-33686?
CVE-2026-33686 is a high-severity vulnerability affecting code16 sharp. It was published on March 26, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-33686?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-33686?
Check the references section for vendor advisories and patches from code16. Update sharp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-33686?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-33686 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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