Description
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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-107704 ↗
- gist.github.com/R3tro16/a99a058d24a06692721a6a3fade9649d ↗
- github.com/jtescher/image_optimizer ↗
- github.com/jtescher/image_optimizer/blob/v1.9.0/lib/image_optimizer.rb ↗
- github.com/jtescher/image_optimizer/blob/v1.9.0/lib/image_optimizer/shell.rb ↗
- www.vulncheck.com/advisories/image-optimizer-1.3.0-through-1.9.0-os-command-injection-via-identify-format ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.