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CVE-2026-34090

nvd nist
Published: May 11, 2026Modified: Jun 17, 2026

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4.8
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:X/U:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:X/U:XShow less
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Secondary)

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser. This issue affects CheckUser: from 1.45.0 before 1.45.2.

Affected (1)

Products: Mediawiki: Checkuser
Mediawiki
1 product
Checkuser
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Checkuser
From 1.45.0 to 1.45.2

Related CWEs

CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (1)

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Issue TrackingPatch

Timeline

No history available yet.