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CVE-2026-18141

8.2 · HIGH

A flaw was found in aap-gateway, a component of Ansible Automation Platform's Event-Driven Ansible (EDA).

Published Jul 31, 2026CWE-295EPSS 0.43%

Overview

CVE-2026-18141 is a high-severity vulnerability. It was published on July 31, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A flaw was found in aap-gateway, a component of Ansible Automation Platform's Event-Driven Ansible (EDA). An unauthenticated remote attacker can bypass mutual Transport Layer Security (mTLS) authentication for event streams. This is achieved by manipulating the event stream URL and forging the HTTP Subject header. The system also inadvertently discloses the expected certificate subject in error messages, which simplifies the attack. This vulnerability allows an attacker to inject arbitrary events into EDA, potentially triggering automated workflows.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/errata/RHSA-2026:50336Refaccess.redhat.com/errata/RHSA-2026:50340Refaccess.redhat.com/errata/RHSA-2026:50479Refaccess.redhat.com/security/cve/CVE-2026-18141Refbugzilla.redhat.com/show_bug.cgi?id=2508155

How CyberStrike helps

Frequently asked questions

What is CVE-2026-18141?

CVE-2026-18141 is a high-severity vulnerability. It was published on July 31, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2026-18141?

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-18141?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-18141?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-18141 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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