{"id":"CVE-2026-107704","revision":"5d70d5c4776f43dd8c5afaac63311903","records":[{"revision":"5d70d5c4776f43dd8c5afaac63311903","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-107704","aliases":[],"title":"image_optimizer 1.3.0 through 1.9.0 OS Command Injection via identify_format","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.","state":0,"publishedAt":"2026-10-08T18:36:37.394+00:00","modifiedAt":"2026-10-09T14:05:27.93+00:00","affected":[{"ecosystem":"https://rubygems.org/gems/image_optimizer","name":"image_optimizer","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"jtescher\",\n                    \"product\": \"image_optimizer\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.3.0\",\n                            \"lessThanOrEqual\": \"1.9.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:gem/image_optimizer\",\n                    \"collectionURL\": \"https://rubygems.org/gems/image_optimizer\",\n                    \"repo\": \"https://github.com/jtescher/image_optimizer\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://gist.github.com/R3tro16/a99a058d24a06692721a6a3fade9649d","https://github.com/jtescher/image_optimizer/blob/v1.9.0/lib/image_optimizer.rb#L37-L47","https://github.com/jtescher/image_optimizer/blob/v1.9.0/lib/image_optimizer/shell.rb#L30-L32","https://github.com/jtescher/image_optimizer","https://www.vulncheck.com/advisories/image-optimizer-1.3.0-through-1.9.0-os-command-injection-via-identify-format"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107704","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107704","identifiers":["CVE-2026-107704"]},"retained":false,"historicalAffected":[]}],"coverage":[]}