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Weakness (CWE) CWE-862 Missing Authorization 1

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Vendor: Wikimedia Foundation × Component: Campaignevents × Clear all filters

TI-2026-00599 CVE-2026-0817 · GHSA-5v56-6x55-vhpv

CampaignEvents API missing authorization exposes meeting and chat URLs

Priority LOW 30

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.

CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.00272 · Published 2026-01-09 · No fix listed CWE-862

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