CVE-2026-34088
Received
Received - Intake
Exposure of Sensitive Information in MediaWiki
Publication date: 2026-05-11
Last updated on: 2026-05-11
Assigner: wikimedia-foundation
Description
Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wikimedia | mediawiki | to 1.43.7 (exc) |
| wikimedia | mediawiki | 1.44.4 |
| wikimedia | mediawiki | 1.45.2 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an Exposure of Sensitive Information to an Unauthorized Actor in Wikimedia Foundation's MediaWiki software. It affects versions before 1.43.7, 1.44.4, and 1.45.2.
How can this vulnerability impact me? :
The vulnerability could allow unauthorized actors to access sensitive information that should be protected, potentially leading to information disclosure.
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