{"id":"CVE-2026-96872","aliases":["EUVD-2026-85562","GHSA-c7v9-97f3-3pxf"],"status":"published","title":"WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions","description":"Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Mediawiki - WikiLambda Extension: before 1.47.0.","severity":{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:Y","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00346,"percentile":0.28531,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-280"],"published":"2026-09-23T18:50:13Z","modified":"2026-09-24T20:02:50Z","exploits":[{"source":"pocgithub","id":"BomboBombone/CVE-2026-96872","title":"BomboBombone/CVE-2026-96872","date":"2026-09-29","url":"https://github.com/BomboBombone/CVE-2026-96872"}],"products":[{"vendor":"the wikimedia foundation","product":"mediawiki - wikilambda extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T435085"},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1326392"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96872"},{"url":"https://github.com/advisories/GHSA-c7v9-97f3-3pxf"}],"sources":{"cve":[{"id":"CVE-2026-96872","title":"WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions","description":"Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Mediawiki - WikiLambda Extension: before 1.47.0.","status":"published","published":"2026-09-23T18:50:13.056Z","modified":"2026-09-23T19:35:06.35Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:Y","level":"low","assessor":"cna"}],"cwes":["CWE-280"],"updated_at":"2026-11-02T14:20:00.511569Z"}],"euvd":[{"id":"EUVD-2026-85562","description":"Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Mediawiki - WikiLambda Extension: before 1.47.0.","status":"published","published":"2026-09-23T18:50:13Z","modified":"2026-09-23T19:35:06Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:Y","level":"low"}],"updated_at":"2026-11-02T17:27:59.820483Z"}],"ghsa":[{"id":"GHSA-c7v9-97f3-3pxf","title":"Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia...","description":"Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Mediawiki - WikiLambda Extension: before 1.47.0.","status":"published","published":"2026-09-23T21:30:54Z","modified":"2026-09-23T21:30:55Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X","level":"low"}],"cwes":["CWE-280"],"updated_at":"2026-11-02T15:12:21.685353Z"}],"nvd":[{"id":"CVE-2026-96872","description":"Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Mediawiki - WikiLambda Extension: before 1.47.0.","status":"published","published":"2026-09-23T19:19:55.327Z","modified":"2026-09-24T20:02:50.26Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"}],"cwes":["CWE-280"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}