CVE-2026-27446
9.8 · CRITICALOverview
CVE-2026-27446 is a critical-severity vulnerability affecting apache artemis. It was published on March 4, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Missing Authentication for Critical Function (CWE-306) vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rogue broker. This could potentially result in message injection into any queue and/or message exfiltration from any queue via the rogue broker. This impacts environments that allow both:
- incoming Core protocol connections from untrusted sources to the broker
- outgoing Core protocol connections from the broker to untrusted targets
This issue affects:
- Apache Artemis from 2.50.0 through 2.51.0
- Apache ActiveMQ Artemis from 2.11.0 through 2.44.0.
Users are recommended to upgrade to Apache Artemis version 2.52.0, which fixes the issue.
The issue can be mitigated by one of the following:
- Remove Core protocol support from any acceptor receiving connections from untrusted sources. Incoming Core protocol c
Remediation
Check the references section for vendor advisories and patches from apache. Update artemis to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | artemis | 2.11.0 | Affected |
References
Frequently Asked Questions
What is CVE-2026-27446?
CVE-2026-27446 is a critical-severity vulnerability affecting apache artemis. It was published on March 4, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2026-27446?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-27446?
Check the references section for vendor advisories and patches from apache. Update artemis to the latest patched version. 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-2026-27446?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-27446 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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