CVE-2026-0817

—

CVSS 3.1

5.3 medium

EPSS

<1%p20

Published

Jan 9, 2026 (Jan 9, 2026)

Modified

Jun 17, 2026

Description

Missing Authorization vulnerability in Wikimedia Foundation MediaWiki - CampaignEvents extension allows Privilege Abuse.This issue affects MediaWiki - CampaignEvents extension: 1.45, 1.44, 1.43, 1.39.

Vendors: wikimedia
Products: campaignevents
Weakness: CWE-862
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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