CVE-2026-34087CWE-200

Users API leaks whether privileged users have their user groups disabled for lack of 2FA

Medium · published May 11, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
29.3
In the wild
Unconfirmed
What it is

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

This issue affects OATHAuth: from * before 1.43.7, 1.44.4, 1.45.2.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/S:N/AU:Y/R:A/RE:M
EPSS
0.00367 · 29.3th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-05-11T14:40Z
EPSS history
Timeline
  • 11 MAY 14:40Z
    Users API leaks whether privileged users have their user groups disabled for lack of 2FA
    cvelistv5