UpHeron
All vulnerabilities

Servers and applications

CVE-2026-34091

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

Severity
Medium 5.5
Published
11 May 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.43.7, 1.44.4, 1.45.2
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.43.7
  • From 1.44.0 before 1.44.4
  • From 1.45.0 before 1.45.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-34091
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-34091