CVE-2026-34087

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth. This issue affects OATHAuth: from * before 1.43.7, 1.44.4, 1.45.2.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://phabricator.wikimedia.org/T412061	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::

History

14 May 2026, 17:02

Type	Values Removed	Values Added
References	~~() https://phabricator.wikimedia.org/T412061 -~~	() https://phabricator.wikimedia.org/T412061 - Issue Tracking, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
First Time		Mediawiki Mediawiki mediawiki
CPE		cpe:2.3:a:mediawiki:mediawiki::::::::

11 May 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-11 16:17

Updated : 2026-05-14 17:02

NVD link : CVE-2026-34087

Mitre link : CVE-2026-34087

CVE.ORG link : CVE-2026-34087

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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