CVE-2026-34088

—

CVSS 4.0

1.3 low

EPSS

<1%p21

Published

May 11, 2026 (May 11, 2026)

Modified

Jun 17, 2026

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.

Vendors: mediawiki
Products: mediawiki
Weakness: CWE-200
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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:X/R:U/V:X/RE:M/U:X

NVD CVE.org GitHub PoCs EPSS (0.3%)

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