{"id":"CVE-2026-100377","title":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Excavation.\n\nThis issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha","summary":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Excavation.\n\nThis issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been r…","severity":"medium","cvss":6.9,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-200"],"vendor":"Wikimedia Foundation","product":"Mediawiki - WikiLambda Extension","affected":["mediawiki_-_wikilambda_extension 1.47.0-alpha"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T21:17:21.650","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100377","references":[{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1320186","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T430601","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-09-25T21:19:40.140Z","slug":"CVE-2026-100377","body":"## Overview\n\nExposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Excavation.\n\nThis issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":38,"depthScoreParts":{"impact":38,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}