Improper Restriction of XML External Entity Reference in Excel-Streaming-Reader
Priority MEDIUM 51CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01275 70th percentileScored 2026-11-07
Fix Fixed excel-streaming-reader (monitorjbl): 2.1.0com.monitorjbl:xlsx-streamer (Maven): 2.1.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| monitorjbl | excel-streaming-reader | before 2.1.0 | 2.1.0 | Patch available | CNA |
| — | com.monitorjbl:xlsx-streamer (Maven) | before 2.1.0 | 2.1.0 | Patch available | GHSA-xvm2-9xvc-hx7f |
- excel-streaming-reader Vendormonitorjbl Affected before 2.1.0 Fixed in 2.1.0 Patch available CNA
- com.monitorjbl:xlsx-streamer (Maven) Vendor— Affected before 2.1.0 Fixed in 2.1.0 Patch available GHSA-xvm2-9xvc-hx7f
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:excel_streaming_reader_project:excel_streaming_reader:*:*:*:*:*:*:*:* | before 2.1.0 | Vulnerable | Excel Streaming Reader Project |
- cpe:2.3:a:excel_streaming_reader_project:excel_streaming_reader:*:*:*:*:*:*:*:* Versions before 2.1.0 Vulnerable ·Excel Streaming Reader Project
Remediation
- Fix · CNA excel-streaming-reader (monitorjbl) Fixed in 2.1.0
- Fix · GHSA-xvm2-9xvc-hx7f com.monitorjbl:xlsx-streamer (Maven) Fixed in 2.1.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-23640
- 2026-10-03 Alias added: GHSA-xvm2-9xvc-hx7f
References
Patch 2
Sources
- CVE-2022-23640 · CVE Program
- CVE-2022-23640 · NVD
- FIRST EPSS
- GHSA-xvm2-9xvc-hx7f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences