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Vulnerability record · CVE-2026-71366 · published 24 August 2026

CVE-2026-71366: Server-side request forgery (SSRF) vulnerability

A server-side request forgery (SSRF) vulnerability was found in multiple AWX notification backends. The webhook, Mattermost, Rocket.Chat, and Grafana notification backends use notification template URLs as direct HTTP request targets without validating the target address against private, loopback, or reserved IP ranges. An organization notification administrator can create notification templates pointing to internal or loopback addresses, causing the AWX control node to issue HTTP requests to services that are not externally accessible. Additionally, the webhook notification backend follows HTTP redirects and resends configured Basic Authentication credentials to redirect targets regardless of host change, allowing an attacker to exfiltrate notification credentials by redirecting to an attacker-controlled host. The Grafana backend sends its API key in the Authorization header to the configured target URL.

7.7 CVSS 3.1 High EPSS 0.56% · top 55.5% CWE-918 · Server-side request forgery (SSRF) Awaiting Analysis
7.7CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
28 Aug 2026Last modified by NVD

Description

A server-side request forgery (SSRF) vulnerability was found in multiple AWX notification backends. The webhook, Mattermost, Rocket.Chat, and Grafana notification backends use notification template URLs as direct HTTP request targets without validating the target address against private, loopback, or reserved IP ranges. An organization notification administrator can create notification templates pointing to internal or loopback addresses, causing the AWX control node to issue HTTP requests to services that are not externally accessible. Additionally, the webhook notification backend follows HTTP redirects and resends configured Basic Authentication credentials to redirect targets regardless of host change, allowing an attacker to exfiltrate notification credentials by redirecting to an attacker-controlled host. The Grafana backend sends its API key in the Authorization header to the configured target URL.

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

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:59135
https://access.redhat.com/errata/RHSA-2026:59136
https://access.redhat.com/errata/RHSA-2026:59153
https://access.redhat.com/errata/RHSA-2026:59155
https://access.redhat.com/security/cve/CVE-2026-71366
https://bugzilla.redhat.com/show_bug.cgi?id=2511902

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Source: NIST National Vulnerability Database (record CVE-2026-71366), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.