Affects Red Hat Ansible Automation Platform (widely used enterprise automation). mTLS bypass can trigger automated workflows organization-wide.
CVE-2026-18141
Unauthenticated mTLS bypass in Ansible EDA allowing forged events
Is CVE-2026-18141 being exploited?
Not confirmed. CVE-2026-18141 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-18141?
CVE-2026-18141 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-18141?
Yes. A fix has been recorded for CVE-2026-18141. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-18141 affect?
CVE-2026-18141 affects Red Hat Ansible Automation Platform (aap-gateway / Event-Driven Ansible). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-18141?
Apply vendor patch when available; restrict/monitor EDA event endpoints and enforce certificate validation.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can bypass mTLS and inject arbitrary EDA events, triggering automated workflows and unauthorized actions.
Immediate action required