CVE-2026-100379 Cross-request disclosure of CentralAuth cookies in Wikipedia Android App
Attackers can intercept CentralAuth cookies, potentially leading to unauthorized access to user accounts in the Wikipedia Android App.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-100379?
CVE-2026-100379 is a medium-severity vulnerability in Wikimedia Foundation Wikipedia Android App, published on 25 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-200
Which versions are affected by CVE-2026-100379?
How do I fix CVE-2026-100379?
No fix has been published for CVE-2026-100379 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-100379 being exploited?
There is no known exploitation of CVE-2026-100379 in the wild and no public exploit code.
Sources
Also known as GHSA-98hh-p26f-vxj7.