CVE-2026-33687: Sharp is a content management framework built for Laravel as a package

Q: How do I fix CVE-2026-33687?

sharp: upgrade to 9.20.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-33687 being exploited?

CVE-2026-33687 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33687 affect?

CVE-2026-33687 affects sharp. Severity is high (CVSS 8.8). Sharp is a content management framework built for Laravel as a package. Versions prior to 9.20.0 contain a vulnerability in the file upload endpoint that allows authenticated users to bypass all file type restrictions. The upload endpoint w

This month

HIGH 8.8UPGRADE

CVE-2026-33687 is a high-severity flaw (CVSS 8.8) affecting sharp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sharp is a content management framework built for Laravel as a package. Versions prior to 9.20.0 contain a vulnerability in the file upload endpoint that allows authenticated users to bypass all file type restrictions. The upload endpoint within the `ApiFormUploadController` accepts a client-controlled `validation_rule` parameter. This parameter is directly passed into the Laravel validator without sufficient server-side enforcement. By intercept

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-434
Published	2026-03-26
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: code16

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-26 22:16 UTCPublished CVE record published
2026-06-17 10:37 UTCUpdated Record last modified

code16 sharp UPGRADE

Affected: < 9.20.0

Fixed in: 9.20.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sharp || rpm -q sharp || sharp --version

2. UPGRADE to 9.20.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sharp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sharp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33687?

sharp: upgrade to 9.20.0. Exact commands for each OS are on this page.

Is CVE-2026-33687 being exploited?

CVE-2026-33687 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33687 affect?

CVE-2026-33687 affects sharp. Severity is high (CVSS 8.8). Sharp is a content management framework built for Laravel as a package. Versions prior to 9.20.0 contain a vulnerability in the file upload endpoint that allows authenticated users to bypass all file type restrictions. The upload endpoint w

How urgent is CVE-2026-33687?

Priority 42/100. High severity

Software pages

Laravel vulnerabilities

Related CVEs

CVE-2026-33686 HIGH 8.8 UPGRADE Sharp is a content management framework built for Laravel as a package

References

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