VulnerabilityAwaiting Analysis

CVE-2026-5266

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo.

LOW 2.3EPSS 0.25%

Does this matter?

Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 2.3 LOWCVSS: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/M
EPSS: 0.25% probability · 16th percentile
CISA KEV: Not listed
Weakness: CWE-200
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

References

https://phabricator.wikimedia.org/T420154

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.