achorein expo-share-intent up to 8.0.0 Android File Copy Routine ExpoShareIntentModule.kt getDataColumn _display_name path traversal

Summaryinfo

A vulnerability marked as problematic has been reported in achorein expo-share-intent up to 8.0.0. This vulnerability affects the function getDataColumn of the file ExpoShareIntentModule.kt of the component Android File Copy Routine. This manipulation of the argument _display_name causes path traversal. This vulnerability appears as CVE-2026-78196. The attack requires local access. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in achorein expo-share-intent up to 8.0.0 and classified as problematic. Affected by this vulnerability is the function getDataColumn of the file ExpoShareIntentModule.kt of the component Android File Copy Routine. The manipulation of the argument _display_name with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-78196. The exploitation appears to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 8.0.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch c6900b1ed06fcc3ca4b09651348974ac5b95e4e6 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• achorein

Name

• expo-share-intent

Version

• 8.0

License

• open-source

Website

• Product: https://github.com/achorein/expo-share-intent/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Submitinfo

Accepted

• Submit #885425: achorein expo-share-intent 0.2.1 - 8.0.0 Path Traversal (by Actuator)

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