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CVE-2026-11319— TickTick Android 8.2.2.0 Path Traversal via ShareReceiveActivity

Quick assessment

Affected
TickTick Limited TickTick for Android
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TickTick Android 应用程序（包名：com.ticktick.task）版本 8.2.2.0 存在路径遍历漏洞。该漏洞源于其导出的 组件：恶意本地应用可通过 意图，传入一个包含遍历路径文件名（如 ）的伪造 URI，从而将文件写入到预期附件目录之外的位置。 具体而言，恶意应用可注册一个 ，使其返回的 字段包含路径遍历序列。该字段未经过滤即被传递给 和 方法，导致系统以 TickTick 应用的权限，将文件自动写入到攻击者指定的任意位置。

CVSS 6.2 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
TickTick Limited TickTick for Android 8.2.2.0 affected
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I. Basic Information for CVE-2026-11319

Vulnerability Information
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Vulnerability Title
TickTick Android 8.2.2.0 Path Traversal via ShareReceiveActivity
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TickTick Limited TickTick for Android 8.2.2.0 -

II. Public POCs for CVE-2026-11319

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-11319

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Other References for CVE-2026-11319 (2)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-11319

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