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Medium severity · published Sep 25, 2026
CVE-2026-100379
Cross-request disclosure of CentralAuth cookies in Wikipedia Android App
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Wikipedia Android App allows Accessing/Intercepting/Modifying HTTP Cookies. This issue affects Wikipedia Android App: main.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Wikipedia Android App · Wikimedia Foundation
main · source: vendor
Affected product
WA
Wikipedia Android App
Wikimedia Foundation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100379
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100379
github.com
https://github.com/wikimedia/apps-android-wikipedia/pull/6768
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T433832