{"id":"CVE-2026-100382","title":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection.\n\nThis issue affects Mediawiki - ExternalData…","summary":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection.\n\nThis issue affects Mediawiki - ExternalData…","severity":"critical","cvss":10,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","cwe":["CWE-78"],"vendor":"Wikimedia Foundation","product":"Mediawiki - ExternalData Extension","affected":["mediawiki_-_externaldata_extension < 3.7"],"published":"2026-09-25","updated":"2026-09-28","sourceUpdated":"2026-09-28T16:38:10.183","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100382","references":[{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/ExternalData/+/1326012","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T434961","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}],"tags":["nvd","exploit-available","cve.org"],"exploits":{"github":1,"githubRepos":["https://github.com/nth347/mediawiki-CVE-2026-100382"],"checkedAt":"2026-10-27T16:52:10.943Z"},"exploitAvailable":true,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-26T22:43:20.551535Z"},"cvssSource":"cna","ingestedAt":"2026-09-25T21:19:40.217Z","epss":0.01214,"epssPercentile":0.68387,"slug":"CVE-2026-100382","body":"## Overview\n\nImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection.\n\nThis issue affects Mediawiki - ExternalData Extension: from * before 3.7.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":67,"depthScoreParts":{"impact":55,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[{"seq":211878,"id":"CVE-2026-100382","ts":1790598859435,"field":"exploit_available","old":"false","new":"true"}]}