SEPTEMBER 28, 2026
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Case File

CVE-2022-23640

CRITICAL · CVSS 9.8 EPSS 1.27% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-02 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Apache. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2022-23640
Severity
CRITICAL
CVSS
9.8
EPSS
1.27%
Apache

Original NVD Description

Excel-Streaming-Reader is an easy-to-use implementation of a streaming Excel reader using Apache POI. Prior to xlsx-streamer 2.1.0, the XML parser that was used did apply all the necessary settings to prevent XML Entity Expansion issues. Upgrade to version 2.1.0 to receive a patch. There is no known workaround.