CVE-2026-4243 La Nacion App app.lanacion.activity BuildConfig.java credentials storage
Local attackers can extract API keys from the La Nacion Android app's BuildConfig file, exposing sensitive credentials.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4243?
CVE-2026-4243 is a low-severity vulnerability in La Nacion App, published on 16 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A weakness has been identified in La Nacion App 10.2.25 on Android. This impacts an unknown function of the file source/app/lanacion/clublanacion/BuildConfig.java of the component app.lanacion.activity. Executing a manipulation of the argument API_KEY_WEBSOCKET_CV can lead to unprotected storage of credentials. The attack can only be executed locally. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-4243?
How do I fix CVE-2026-4243?
No fix has been published for CVE-2026-4243 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-4243 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4243 exists.
Sources
Also known as GHSA-3jfj-jjxx-r4gw.