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CRITICAL

CVE-2023-26563

CVSS v3

9.8

CRITICAL

EPSS Score

1.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The Syncfusion EJ2 Node File Provider 0102271 is vulnerable to filesystem-server.js directory traversal. As a result, an unauthenticated attacker can: - On Windows, list files in any directory, read any file, delete any file, upload any file to any directory accessible by the web server. - On Linux, read any file, download any directory, delete any file, upload any file to any directory accessible by the web server.

Technical details

Published
2023-07-12

Frequently asked questions

What is CVE-2023-26563?

The Syncfusion EJ2 Node File Provider 0102271 is vulnerable to filesystem-server.js directory traversal. As a result, an unauthenticated attacker can: - On Windows, list files in any directory, read any file, delete any file, upload any file to any directory accessible by the web server. - On Linux, read any file, download any directory, delete any file, upload any file to any directory accessible by the web server.

Is CVE-2023-26563 actively exploited?

Active exploitation of CVE-2023-26563 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-26563?

CVE-2023-26563 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-26563 affecting your environment?

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