CVE-2026-73693FileRun < 2026.3.0 OS Command Injection via PhotoProofSheet Handler
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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FileRun before 2026.3.0 contains an OS command injection vulnerability in the PhotoProofSheet handler that allows authenticated users with upload permission to execute arbitrary commands by uploading files with shell metacharacters in their names. Attackers can upload a file containing command substitution syntax such as backticks, semicolons, or $() sequences in the filename, then trigger the PhotoProofSheet endpoint to execute arbitrary commands as the web-server user due to missing escapeshellarg() sanitization in the ImageMagick montage command construction.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
FileRun FileRun filerun:filerun (from the name) | before 2026.3.0 | CNA record |
References
- https://vulncheck.com/blog/filerun-delegated-admin-sql-to-object-injection-rcetechnical-description, exploit
- https://filerun.com/index.php/changelog?v=2026.3.0release-notes, patch
- https://www.vulncheck.com/advisories/filerun-os-command-injection-via-photoproofsheet-handlerthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.