CVE-2026-5266 LOW

CVE-2026-5266

Vendor Wikimedia Foundation
Product Echo
Weakness CWE-200 · Info exposure
Published May 11, 2026
Last update May 11, 2026

CVSS base score

2.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo. This vulnerability is associated with program files includes/Api/ApiEchoNotifications.Php. This issue affects Echo: from * before 1.43.7, 1.44.4, 1.45.2.

Key dates

02Disclosure timeline

May 11, 2026 CVE published
May 11, 2026 Record updated