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CVE-2026-96872

WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions

CVSS 4.0 2.9 LOWCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-96872

Published

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. This issue affects Mediawiki - WikiLambda Extension: before 1.47.0.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-96872

Published

Mediawiki - WikiLambda Extension

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "The Wikimedia Foundation",
                    "product": "Mediawiki - WikiLambda Extension",
                    "platforms": [
                        "Linux",
                        "MacOS",
                        "Windows"
                    ],
                    "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/WikiLambda",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "1.47.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON