Unrated severityNVD Advisory· Published Jan 9, 2026· Updated Jan 9, 2026

CampaignEvents API missing authorization exposes meeting and chat URLs

CVE-2026-0817

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Wikimedia Foundation/Mediawikillm-fuzzy
Range: 1.39, 1.43, 1.44, 1.45

Patches

Vulnerability mechanics

References

gerrit.wikimedia.org/r/q/I7ed0049691258c8bd2555e599b9b88490fbe3358mitre
phabricator.wikimedia.org/T410560mitre

News mentions

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