Red HatCVE-2026-53682
Red Hat Certificate System 9: system information exposure
Medium5.3CVE-2026-53682 · Published Sep 1, 2026 · updated Sep 23, 2026
An unauthenticated client can query the Security Domain hosts inventory via GET /ca/rest/securityDomain/hosts and receive a structured response enumerating internal PKI/CA hosts and roles (security domain topology and participating subsystems), without requiring a principal, client certificate, or session.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat Certificate System 9 Product | all versions | No fix yet |
| Red Hat Enterprise Linux 10 Product | all versions | No fix yet |
| Red Hat Enterprise Linux 6 Product | all versions | No fix yet |
| Red Hat Enterprise Linux 7 Product | all versions | No fix yet |
| Red Hat Enterprise Linux 8 Product | all versions | No fix yet |
| all versions | No fix yet | |
| Red Hat Enterprise Linux 9 Product | all versions | No fix yet |
Details and references
More Red Hat advisories
All Red Hat| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 1 | Red Hat Ansible Automation Platform: missing authorization | Medium6.4 | No fix yet |
| Sep 1 | Red Hat SFTP backend: uninitialized resource | Medium4.3 | 1.60.2 |
| Sep 1 | Red Hat SFTP backend: denial of service | High8.8 | 1.60.2 |
| Sep 1 | Red Hat AFP backend: denial of service | Medium6.5 | 1.60.2 |
| Sep 1 | Red Hat MTP backend: denial of service | Medium4.3 | 1.60.2 |
| Sep 1 | Red Hat pulpcore: cross-site scripting | Medium5.4 | No fix yet |