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CVE-2026-121543 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/a466350665/smart-sso	[email protected]	ProductVendor
https://github.com/a466350665/smart-sso/blob/91d2dfef8973d308fa1b762e4c86dfbcbe9793ff/smart-sso-server/src/main/java/openjoe/smart/sso/server/controller/admin/UserRoleController.java	[email protected]	Source CodeVendor
https://github.com/a466350665/smart-sso/blob/91d2dfef8973d308fa1b762e4c86dfbcbe9793ff/smart-sso-starter/smart-sso-starter-client/src/main/java/openjoe/smart/sso/client/filter/PermissionFilter.java#L38-L47	[email protected]
https://github.com/a466350665/smart-sso/commit/9bccabaa5ec5	[email protected]	Source CodeVendor
https://github.com/a466350665/smart-sso/commit/a74a791bea7fc7b06ce95f52ce5805d8d7886d48	[email protected]	Source CodeVendor
https://github.com/a466350665/smart-sso/issues/79	[email protected]	ExploitIssue TrackingTechnical DescriptionVendor
https://www.vulncheck.com/advisories/smart-sso-through-2.0.1-incorrect-authorization-in-permissionfilter-enables-admin-escalation	[email protected]	AdvisoryBundleRemedy

see all 7 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

Product	Versions
a466350665 smart-sso	<= 2.0.1 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation Upgrade: 2.0.2moderate effort Patch:moderate efforthttps://github.com/a466350665/smart-sso/blob/master/smart-sso-server/src/main/resources/upgrade-permission-fail-closed.sql Existing MySQL installations should back up the database and execute the provided SQL script to align the admin permission data with the actual backend routes. Workaround:moderate effort Switch to the production profile to prevent the vulnerable behavior. This requires a MySQL database and will not wipe existing data.

Product

Versions

a466350665 smart-sso

<= 2.0.1 (semver)

CPE

No CPEs found in CPE dictionary for this product.

Remediation

Upgrade: 2.0.2moderate effort
Patch:moderate efforthttps://github.com/a466350665/smart-sso/blob/master/smart-sso-server/src/main/resources/upgrade-permission-fail-closed.sql
Existing MySQL installations should back up the database and execute the provided SQL script to align the admin permission data with the actual backend routes.
Workaround:moderate effort
Switch to the production profile to prevent the vulnerable behavior. This requires a MySQL database and will not wipe existing data.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 3, 2026	CVE Modified	CISA-ADP
Nov 3, 2026	New CVE Received	[email protected]