CVE-2026-9772: Unraid Web Server FileUpload Command Injection Remote Code Execution Vulnerability

Q: How do I fix CVE-2026-9772?

unraid: upgrade to 7.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-9772 being exploited?

CVE-2026-9772 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-2026-9772 affect?

CVE-2026-9772 affects unraid. Severity is high (CVSS 8.8). Unraid Web Server FileUpload Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnera

This month

HIGH 8.8UPGRADE

CVE-2026-9772 is a high-severity flaw (CVSS 8.8) affecting unraid. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unraid Web Server FileUpload Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnerability. The specific flaw exists within FileUpload.php. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vu

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	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-06-24
Last modified	2026-06-26

Publisher (CNA): Zero Day Initiative · Vendor: unraid

Last updated 2026-06-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-24 22:16 UTCPublished CVE record published
2026-06-26 20:15 UTCUpdated Record last modified

unraid unraid UPGRADE

Affected: < 7.3.0

Fixed in: 7.3.0

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2026-9772?

unraid: upgrade to 7.3.0. Exact commands for each OS are on this page.

Is CVE-2026-9772 being exploited?

CVE-2026-9772 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-2026-9772 affect?

CVE-2026-9772 affects unraid. Severity is high (CVSS 8.8). Unraid Web Server FileUpload Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Unraid. Authentication is required to exploit this vulnera

How urgent is CVE-2026-9772?

Priority 51/100. High severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-9773 HIGH 8.8 UPGRADE Unraid Web Server ToggleState Command Injection Remote Code Execution Vulnerability

References

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