Low severity · published Feb 3, 2026
CVE-2025-61647
UserInfoCard: Don't allow access to information about users who are suppressed if you don't have suppressor rights
0.4
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Api/Rest/Handler/UserInfoHandler.Php.
This issue affects CheckUser: from a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
CheckUser · Wikimedia Foundation
a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-61647
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-61647
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T399093
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