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CVE-2026-18648— Blix Email Blue Mail Calendar App react-native-receive-sharing-intent FileDirectory.getFileFromUri path traversal

Quick assessment

Affected
Blix Email Blue Mail Calendar App
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.

Blix BlueMail是Blix公司的一款电子邮件管理应用。 Blix BlueMail 2.2.305版本存在路径遍历漏洞，该漏洞源于react-native-receive-sharing-intent组件中FileDirectory.getDataColumn/FileDirectory.getFileFromUri函数对_display_name参数操作不当，导致路径遍历，且仅可通过本地访问利用。

CVSS 5.3 · Medium EPSS 0.21% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
Blix Email Blue Mail Calendar App 2.2.305 affected
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I. Basic Information for CVE-2026-18648

Vulnerability Information
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Vulnerability Title
Blix Email Blue Mail Calendar App react-native-receive-sharing-intent FileDirectory.getFileFromUri path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Blix Email Blue Mail Calendar App 2.2.305. Impacted is the function FileDirectory.getDataColumn/FileDirectory.getFileFromUri of the component react-native-receive-sharing-intent. The manipulation of the argument _display_name results in path traversal. The attack is only possible with local access. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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
Vulnerability Title
Blix BlueMail 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Blix BlueMail是Blix公司的一款电子邮件管理应用。 Blix BlueMail 2.2.305版本存在路径遍历漏洞，该漏洞源于react-native-receive-sharing-intent组件中FileDirectory.getDataColumn/FileDirectory.getFileFromUri函数对_display_name参数操作不当，导致路径遍历，且仅可通过本地访问利用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Blix Email Blue Mail Calendar App 2.2.305 cpe:2.3:a:blix:email_blue_mail_calendar_app:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18648

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III. Intelligence Information for CVE-2026-18648

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Proof of Concept for CVE-2026-18648 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-18648

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