Is there a public exploit for CVE-2026-84721?

No public exploit for CVE-2026-84721 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-84721?

CVE-2026-84721 scores CVSS 6.4 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.29%.

What does CVE-2026-84721 affect?

CVE-2026-84721 affects Red Hat Red Hat Ansible Automation Platform 2.7.

6.4 Medium

A server-side request forgery flaw was found in the Ansible Automation Platform automation-controller email notification backend.

CVE-2026-84721

A server-side request forgery flaw was found in the Ansible Automation Platform automation-controller email notification backend. The email backend passes the user-supplied SMTP host and port from a notification template directly to the SMTP client without validating that the target is not an internal, loopback, link-local, or reserved address. An authenticated user with organization notification-admin permission can create or modify an email notification template pointing at an arbitrary internal address, trigger a test, and have the controller task process open a raw TCP connection to that address. The resulting connection error is reflected back through the notification record, providing a three-state internal port-scan oracle (open, closed, filtered) over the control-plane's cluster network, including the in-cluster Kubernetes API. When a shared organization template holds a stored SMTP password, redirecting the host can also cause that credential to be transmitted to an attacker-controlled server.

Assessment

CVSS: 6.4 (v3.1)
Severity: Medium
EPSS: 0.29% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 23 September 2026
Last updated: 2 November 2026
Affected: Red Hat · Red Hat Ansible Automation Platform 2.7
Assigner: redhat

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

At the source

EUVD (ENISA)

References

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