Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Excavation.

This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.

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Advisories

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Fixes

Solution

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Workaround

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History

Sat, 26 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 26 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia mediawiki-wikilambda Extension
Vendors & Products Wikimedia
Wikimedia mediawiki-wikilambda Extension

Fri, 25 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Description Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Excavation. This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.
Title Revision-deleted pages can be viewed through WikiLambda's action=edit and Special:ViewAbstract
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 6.9, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-26T22:51:18.721Z

Reserved: 2026-09-25T19:28:11.982Z

Link: CVE-2026-100377

cve-icon Vulnrichment

Updated: 2026-09-26T22:48:26.000Z

cve-icon NVD

Status : Received

Published: 2026-09-25T21:17:21.650

Modified: 2026-09-26T23:16:31.757

Link: CVE-2026-100377

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-26T08:30:02Z

Weaknesses