PT-2026-33238 · Wikimedia Foundation+2 · Echo+1

Urbanecm · Published 2026-04-03 · Updated 2026-05-11 · CVE-2026-5266

Positive Technologies (AI Summary)

CVSS v4.0

2.3

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Echo versions prior to 1.43.7 Echo versions prior to 1.44.4 Echo versions prior to 1.45.2

Description Exposure of sensitive information to an unauthorized actor occurs in the program file includes/Api/ApiEchoNotifications.Php.

Recommendations Update to version 1.43.7 or later. Update to version 1.44.4 or later. Update to version 1.45.2 or later.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2026-5266

Affected Products

Echo

Mediawiki

References · 13

• https://cve.org/CVERecord?id=CVE-2026-5266 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5266 · Security Note
• https://ubuntu.com/security/CVE-2026-5266 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-5266 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-5266 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-5266 · Vendor Advisory
• https://t.me/CVEtracker/53398 · Telegram Post
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Echo/+/1265622 · Note
• http://phabricator.wikimedia.org/T420154 · Note
• https://twitter.com/CVEnew/status/2053932416033870076 · Twitter Post
• https://lists.wikimedia.org/hyperkitty/list/[e-mail]/thread/DIBLSBHISKX6NFRUFNOGZRVW42E7R2QP · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Echo/+/1265608 · Note
• https://phabricator.wikimedia.org/T420154 · Note