CVE-2026-2971

A vulnerability was found in a466350665 Smart-SSO up to 2.1.1. Affected by this issue is some unknown functionality of the file smart-sso-server/src/main/resources/templates/login.html of the component Login. Performing a manipulation of the argument redirectUri results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-79
• CWE-94
• CWE-79

• https://vuldb.com/?ctiid.347338Permissions Required, VDB Entry
• https://vuldb.com/?id.347338Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.756025Third Party Advisory, VDB Entry
• https://www.notion.so/Smart-SSO-Reflected-XSS-vulnerabilities-in-redirectUri-parameter-304ea92a3c41805a8223c4ba75831802Exploit, Third Party Advisory

Published

Feb 23, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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