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Low severity · published Sep 30, 2026
CVE-2026-103440
pagetriagelist discloses suppressed reviewer usernames
1.2
CVSS
0.3%
EPSS
No
On KEV
Description
Exposure of sensitive information through data queries vulnerability in The Wikimedia Foundation MediaWiki PageTriage extension allows Information Elicitation. This issue affects MediaWiki PageTriage extension: 1.46, 1.45, and 1.43.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MP
MediaWiki PageTriage extension · The Wikimedia Foundation
1.46; 1.45; 1.43 · source: vendor
Affected product
MP
MediaWiki PageTriage extension
The Wikimedia Foundation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103440
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103440
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T435623
gerrit.wikimedia.org
https://gerrit.wikimedia.org/r/q/I4bdd5f5be95ed5d02c504784fb31da4e5de59da6