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.
Published: 2026-05-11
Score: 2.3 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DSA Debian DSA DSA-6208-1 mediawiki security update
References
History

Tue, 12 May 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia echo
Vendors & Products Wikimedia
Wikimedia echo

Mon, 11 May 2026 19:30:00 +0000

Type Values Removed Values Added
Title Echo API Exposure of Sensitive Information to Unauthorized Actors

Mon, 11 May 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 11 May 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 2.3, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-05-11T18:00:17.517Z

Reserved: 2026-03-31T18:45:42.439Z

Link: CVE-2026-5266

cve-icon Vulnrichment

Updated: 2026-05-11T18:00:14.374Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-11T18:16:42.033

Modified: 2026-05-12T14:45:49.820

Link: CVE-2026-5266

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-12T09:22:49Z

Weaknesses