CVE-2026-107704
criticalThe image_optimizer Ruby gem 1.3.0 through 1.9.0 contains an OS command injection vulnerability in ImageOptimizer#identify_format that allows attackers to exec…
The image_optimizer Ruby gem 1.3.0 through 1.9.0 contains an OS command injection vulnerability in ImageOptimizer#identify_format that allows attackers to execute commands by supplying a crafted image path when the identify option is enabled. Attackers controlling the path, such as an uploaded file name, can append shell metacharacters like ';' that are executed via Ruby backticks with the Ruby process privileges.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://gist.github.com/R3tro16/a99a058d24a06692721a6a3fade9649d disclosure@vulncheck.com
- https://github.com/jtescher/image_optimizer disclosure@vulncheck.com
- https://github.com/jtescher/image_optimizer/blob/v1.9.0/lib/image_optimizer.rb#L37-L47 disclosure@vulncheck.com
- https://github.com/jtescher/image_optimizer/blob/v1.9.0/lib/image_optimizer/shell.rb#L30-L... disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/image-optimizer-1.3.0-through-1.9.0-os-command-inject... disclosure@vulncheck.com
- https://gist.github.com/R3tro16/a99a058d24a06692721a6a3fade9649d 134c704f-9b21-4f2e-91b3-4a467353bcc0