Auth bypass in A466350665 Smart-Sso
CVE-2026-121543
smart-sso through 2.0.1 contains an incorrect authorization vulnerability in PermissionFilter that allows any authenticated user to call admin console APIs because unlisted paths are permitted by default. Attackers can call /admin/user-role/save to assign themselves the administrator role, reset passwords, and manage users, roles, and applications across integrated systems.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/a466350665/smart-sso/issues/79 (issue-tracking)
- github.com/a466350665/smart-sso (product)
- github.com/a466350665/smart-sso/commit/9bccabaa5ec5 (patch)
- github.com/a466350665/smart-sso/blob/91d2dfef8973d308fa1b762e4c86dfbcbe9793ff/s… (technical-description)
- github.com/a466350665/smart-sso/blob/91d2dfef8973d308fa1b762e4c86dfbcbe9793ff/s… (technical-description)
- github.com/a466350665/smart-sso/commit/a74a791bea7fc7b06ce95f52ce5805d8d7886d48 (technical-description, patch)
- www.vulncheck.com/advisories/smart-sso-through-2.0.1-incorrect-authorization-in… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-121543?
- CVE-2026-121543 is a high-severity vulnerability in A466350665 Smart-Sso, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-11-03.
- How severe is CVE-2026-121543?
- High severity. CVSS v3 base score is 8.8 out of 10.