CVE-2026-34088: low-severity vulnerability in Wikimedia Foundation MediaWiki
RecentChanges entries expose suppressed content via generated log page html
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 1.3epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/R:U/RE:M
Affected products
Wikimedia Foundation · MediaWikiRelated CVEs — Wikimedia Foundation MediaWiki
In the same product, most dangerous first.
CVE-2013-4572—CVE-2013-4572EPSS 2.1%CVE-2013-4303—CVE-2013-4303EPSS 1.5%CVE-2013-6455—CVE-2013-6455EPSS 1.1%CVE-2013-6451—CVE-2013-6451EPSS 1.1%CVE-2025-6597NONEMediaWiki should not consider autocreation as login for the purposes of security reauthenticationEPSS 0.5%CVE-2025-6927LOWAutoblocks from global account suppressions are publicly visibleEPSS 0.5%