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HIGH

CVE-2026-73693

CVSS v3

8.8

HIGH

EPSS Score

1.8 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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 escapeshel

Technical details

CVSS v3 Vector
3.1
Published
2026-09-10
Last Modified
2026-09-10

Frequently asked questions

What is CVE-2026-73693?

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 escapeshel

Is CVE-2026-73693 actively exploited?

Active exploitation of CVE-2026-73693 has not been confirmed. The EPSS score is 1.8%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-73693?

CVE-2026-73693 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string 3.1.

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