CVE-2026-5266

LOW

Wikimedia Foundation Echo - Exposure of Sensitive Information to an Unauthorized Actor

Title source: rule

Description

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.

References (1)

Core 1

Core References

https://phabricator.wikimedia.org/T420154

Scores

CVSS v4 2.3

EPSS 0.0025

EPSS Percentile 15.7%

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-200

Status published

Products (1)

Wikimedia Foundation/Echo < 1.43.7, 1.44.4, 1.45.2

Published May 11, 2026

Tracked Since May 11, 2026