# CVE-2026-85475: Automation-controller: automation-controller-container: automation-controller: rsyslog configuration injection via log_aggregator_* settings leads to remote code execution in the control-plane rsyslog component

Status: published. Published: 2026-09-23. Updated: 2026-11-04.

A flaw was found in the Ansible Automation Platform automation controller. The
external logging (rsyslog) configuration is generated by interpolating
user-controlled settings — LOG_AGGREGATOR_HOST, LOG_AGGREGATOR_MAX_DISK_USAGE_PATH
and LOG_AGGREGATOR_RSYSLOGD_ERROR_LOG_FILE — into an rsyslog RainerScript config
file without neutralizing RainerScript syntax. A privileged (superuser) user can
inject rsyslog directives, including an omprog action, causing arbitrary command
execution inside the control-plane rsyslog component. This allows disclosure of
the controller SECRET_KEY and database credentials, decryption of all stored
credentials, and full compromise of the control plane.

## Remediation

- workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. (source: CNA: redhat)

## Affected products and versions

- Red Hat / Red Hat Ansible Automation Platform 2.7 (ansible-automation-platform-27/controller-rhel9): ≥ 1789580684; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Ansible Automation Platform 2 (ansible-automation-platform-26/controller-rhel9): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Ansible Automation Platform 2 (automation-controller): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 7.2 (high); CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.80% as of 2026-11-04; percentile 56.54%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-96

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/errata/RHSA-2026:71177 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2026-85475 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2528255 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2026-85475; retrieved 2026-11-05; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-85475; retrieved 2026-11-05; source updated Not reported

Revision: 7f05e8d7de0b57dcade9ee28a22b935c6824e04312ab6e7b3354ea145e97ea36

Canonical: https://y2.dev/cve/CVE-2026-85475

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