CVE-2026-78196 achorein expo-share-intent Android File Copy Routine ExpoShareIntentModule.kt getDataColumn path traversal
A local attacker can exploit a path traversal vulnerability in the Android file copy routine to read or modify arbitrary files.
- 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-2026-78196?
CVE-2026-78196 is a medium-severity path traversal vulnerability in achorein expo-share-intent, published on 24 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw has been discovered in achorein expo-share-intent up to 8.0.0. This affects the function getDataColumn of the file ExpoShareIntentModule.kt of the component Android File Copy Routine. The manipulation of the argument _display_name results in path traversal. The attack requires a local approach. Upgrading to version 8.0.1 is able to mitigate this issue. The patch is identified as c6900b1ed06fcc3ca4b09651348974ac5b95e4e6. The affected component should be upgraded.
Weakness: CWE-22
Which versions are affected by CVE-2026-78196?
How do I fix CVE-2026-78196?
No fix has been published for CVE-2026-78196 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-78196 being exploited?
There is no known exploitation of CVE-2026-78196 in the wild and no public exploit code.
Sources
Also known as GHSA-3v3q-h6jq-r694.