CVE-2026-100379: Wikimedia Foundation Wikipedia Android App · Information Exposure
Affects Wikimedia Foundation Wikipedia Android AppSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 9 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 25 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Wikimedia FoundationWikipedia Android App | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until a fix is available, users should exercise caution when interacting with the Wikipedia Android App, especially avoiding untrusted networks or links that could trigger exploitation. Monitor official Wikimedia Foundation channels for updates.
Description
CVE-2026-100379 is a medium severity vulnerability in the Wikimedia Foundation's Wikipedia Android App that allows unauthorized actors to access, intercept, or modify HTTP cookies. This exposure of sensitive information could potentially lead to privacy issues or session hijacking. No specific affected versions or patches are currently detailed.