The refresh token grant type in WSO2 products fails to re-validate account status before issuing new access tokens. This weakness allows an attacker to obtain valid access tokens for user accounts even after they have been blocked by the user store, bypassing account lockout mechanisms.
This vulnerability can lead to unauthorized access to user accounts and their associated resources. Attackers can leverage this to perform actions on behalf of blocked users, potentially leading to privilege escalation or data exfiltration depending on the permissions of the compromised account.
This vulnerability can lead to unauthorized access to user accounts and their associated resources. Attackers can leverage this to perform actions on behalf of blocked users, potentially leading to privilege escalation or data exfiltration depending on the permissions of the compromised account.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||||||||
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| WSO2 | WSO2 API Manager | unaffected |
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| WSO2 | WSO2 Universal Gateway | unaffected |
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| WSO2 | WSO2 Traffic Manager | unaffected |
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| WSO2 | WSO2 API Control Plane | unaffected |
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| WSO2 | WSO2 Identity Server as Key Manager | unaffected |
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| WSO2 | WSO2 Identity Server | unaffected |
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| WSO2 | WSO2 Open Banking AM | unaffected |
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| WSO2 | WSO2 Open Banking IAM | unaffected |
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| WSO2 | WSO2 Carbon OAuth | unknown |
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No data.
No data.
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| Vendors | Products |
|---|---|
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Wso2
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Api Control Plane
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Api Manager
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Identity Server
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Wso2 Api Control Plane
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Wso2 Api Manager
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Wso2 Carbon Oauth
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Wso2 Identity Server
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Wso2 Identity Server As Key Manager
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Wso2 Open Banking Am
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Wso2 Open Banking Iam
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Wso2 Traffic Manager
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Wso2 Universal Gateway
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|
Project Subscriptions
| Vendors | Products |
|---|---|
|
Wso2
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|
Api Control Plane
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Api Manager
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Identity Server
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Wso2 Api Control Plane
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Wso2 Api Manager
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Wso2 Carbon Oauth
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Wso2 Identity Server
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Wso2 Identity Server As Key Manager
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Wso2 Open Banking Am
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Wso2 Open Banking Iam
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Wso2 Traffic Manager
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Wso2 Universal Gateway
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|
Advisories
No advisories yet.
Fixes
Solution
Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2024-3676/#solution
Workaround
No workaround given by the vendor.
References
History
Mon, 02 Nov 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Wso2 api Control Plane
Wso2 api Manager Wso2 identity Server |
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| Vendors & Products |
Wso2 api Control Plane
Wso2 api Manager Wso2 identity Server |
Mon, 02 Nov 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The refresh token grant type in WSO2 products fails to re-validate account status before issuing new access tokens. This weakness allows an attacker to obtain valid access tokens for user accounts even after they have been blocked by the user store, bypassing account lockout mechanisms. This vulnerability can lead to unauthorized access to user accounts and their associated resources. Attackers can leverage this to perform actions on behalf of blocked users, potentially leading to privilege escalation or data exfiltration depending on the permissions of the compromised account. | |
| Title | Improper Token Renewal in Refresh Token Grant in Multiple WSO2 Products Allows Unauthorized Access to Blocked Accounts | |
| First Time appeared |
Wso2
Wso2 wso2 Api Control Plane Wso2 wso2 Api Manager Wso2 wso2 Carbon Oauth Wso2 wso2 Identity Server Wso2 wso2 Identity Server As Key Manager Wso2 wso2 Open Banking Am Wso2 wso2 Open Banking Iam Wso2 wso2 Traffic Manager Wso2 wso2 Universal Gateway |
|
| Weaknesses | CWE-613 | |
| CPEs | cpe:2.3:a:wso2:wso2_api_control_plane:*:*:*:*:*:*:*:* cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:* cpe:2.3:a:wso2:wso2_carbon_oauth:*:*:*:*:*:*:*:* cpe:2.3:a:wso2:wso2_identity_server:*:*:*:*:*:*:*:* cpe:2.3:a:wso2:wso2_identity_server_as_key_manager:*:*:*:*:*:*:*:* cpe:2.3:a:wso2:wso2_open_banking_am:*:*:*:*:*:*:*:* cpe:2.3:a:wso2:wso2_open_banking_iam:*:*:*:*:*:*:*:* cpe:2.3:a:wso2:wso2_traffic_manager:*:*:*:*:*:*:*:* cpe:2.3:a:wso2:wso2_universal_gateway:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Wso2
Wso2 wso2 Api Control Plane Wso2 wso2 Api Manager Wso2 wso2 Carbon Oauth Wso2 wso2 Identity Server Wso2 wso2 Identity Server As Key Manager Wso2 wso2 Open Banking Am Wso2 wso2 Open Banking Iam Wso2 wso2 Traffic Manager Wso2 wso2 Universal Gateway |
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| References |
| |
| Metrics |
cvssV3_1
|
Projects
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MITRE
Status: PUBLISHED
Assigner: WSO2
Published:
Updated: 2026-11-02T16:55:34.062Z
Reserved: 2024-10-04T07:58:59.333Z
Link: CVE-2024-9517
Vulnrichment
No data.
NVD
Status : Awaiting Analysis
Published: 2026-11-02T12:16:57.873
Modified: 2026-11-02T16:22:25.113
Link: CVE-2024-9517
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-11-02T13:00:13Z
Weaknesses