{"id":"CVE-2026-107704","title":"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 ena…","summary":"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 ena…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"published":"2026-10-08","updated":"2026-10-09","sourceUpdated":"2026-10-09T15:17:08.667","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107704","references":[{"url":"https://gist.github.com/R3tro16/a99a058d24a06692721a6a3fade9649d","label":"disclosure@vulncheck.com"},{"url":"https://github.com/jtescher/image_optimizer","label":"disclosure@vulncheck.com"},{"url":"https://github.com/jtescher/image_optimizer/blob/v1.9.0/lib/image_optimizer.rb#L37-L47","label":"disclosure@vulncheck.com"},{"url":"https://github.com/jtescher/image_optimizer/blob/v1.9.0/lib/image_optimizer/shell.rb#L30-L32","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/image-optimizer-1.3.0-through-1.9.0-os-command-injection-via-identify-format","label":"disclosure@vulncheck.com"},{"url":"https://gist.github.com/R3tro16/a99a058d24a06692721a6a3fade9649d","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.02046,"epssPercentile":0.81093,"ingestedAt":"2026-10-08T20:06:22.189Z","vendor":"jtescher","product":"image_optimizer","affected":["image_optimizer >= 1.3.0 <= 1.9.0"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-09T14:05:20.395722Z"},"slug":"CVE-2026-107704","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.4,"exploitation":12,"ransomware":0},"changes":[{"seq":220571,"id":"CVE-2026-107704","ts":1792022796920,"field":"exploit_available","old":"false","new":"true"}]}