Missing Authorization Affecting mediawiki package, versions <1:1.31.4-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.77% (76th percentile)

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  • Snyk IDSNYK-ECHOLATEST-MEDIAWIKI-20414286
  • published3 Oct 2026
  • disclosed26 Sept 2019

Introduced: 26 Sep 2019

CVE-2019-16738  (opens in a new tab)
CWE-862  (opens in a new tab)

How to fix?

Upgrade Echo:latest mediawiki to version 1:1.31.4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.

CVSS Base Scores

version 3.1