The DuoLingo TinyCards application before 1.0 for Android has one use of unencrypted HTTP, which allows remote attackers to spoof content, and consequently achieve remote code execution, via a man-in-the-middle attack.
Severity
CVSS 3.0
8.1 high
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)