CVE-2026-39937CWE-212

Global vanishing does not completely remove user email

High · published April 7, 2026

CVSS v4.0
8.8
EPSS
0%
Percentile
37.7
In the wild
Unconfirmed
What it is

Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.

The record
Technical detail
CVSS v4.0
8.8 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L
EPSS
0.00445 · 37.7th percentile
Weakness
CWE-212 · Improper Removal of Sensitive Information Before Storage or Transfer
Published
2026-04-07T21:44Z
EPSS history
Timeline
  • 07 APR 21:44Z
    Global vanishing does not completely remove user email
    cvelistv5