WSO2 API Manager at a glance
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 12 | 2 |
| Oct 2026 | 14 | 1 |
| Sep 2026 | 5 | 0 |
| Aug 2026 | 14 | 5 |
| Jul 2026 | 5 | 0 |
| Jun 2026 | 1 | 0 |
| May 2026 | 2 | 0 |
| Apr 2026 | 5 | 0 |
| Mar 2026 | 0 | 0 |
| Feb 2026 | 2 | 1 |
| Jan 2026 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Nov 2025 | 8 | 1 |
| Oct 2025 | 5 | 2 |
| Sep 2025 | 4 | 0 |
| Aug 2025 | 0 | 0 |
| Jul 2025 | 0 | 0 |
| Jun 2025 | 5 | 0 |
| May 2025 | 5 | 1 |
| Apr 2025 | 0 | 0 |
| Mar 2025 | 0 | 0 |
| Feb 2025 | 2 | 0 |
| Jan 2025 | 0 | 0 |
| Dec 2024 | 0 | 0 |
95 results · Feed
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Critical 9.8
Privilege Escalation via Token Endpoint in WSO2 API Manager (APIM 4.x/IS as Resident Key Manager)
This issue only impacts deployments where WSO2 Identity Server is configured as a Resident Key Manager with database sharing. In such environments, a self-registered user may gain access to the System REST APIs of WSO2 API Manager by obtaining a token from th…
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Medium 6.1
Reflected Cross-Site Scripting via Authentication Endpoint in Multiple WSO2 Products Allows Browser Redirection and UI Modification
The authentication endpoint does not properly encode user-supplied input before rendering it within the web page. This lack of output encoding allows an attacker to inject malicious JavaScript payloads into the authentication flow, which are then executed by …
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Medium 4.8
Improper IDP Status Validation via JWT Bearer or SAML2 Bearer Grants in Multiple WSO2 Products Allows Access Token Issuance for Disabled Identity Providers
When utilizing JWT Bearer or SAML2 Bearer grant types, the system fails to validate the status of the Identity Provider (IDP) before issuing access tokens. This oversight permits tokens to be generated even when the associated IDP has been disabled. A malicio…
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Medium 4.3
Content Spoofing via Error Handling in Multiple WSO2 Products Enables Social Engineering Attacks
The error handling implementation fails to properly sanitize or validate user-supplied input within URL parameters under specific conditions. This allows end-users to manipulate the error messages that are displayed by the application. By exploiting this vuln…
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Medium 4.9
Improper Token Renewal in Refresh Token Grant in Multiple WSO2 Products Allows Unauthorized Access to Blocked Accounts
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…
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Medium 5.4
Open Redirection via Unsanitized User Input in Multiple WSO2 Products Allows Phishing Attacks
The affected components accept user-supplied input for constructing redirection URLs without enforcing expected validation constraints. This allows an attacker to provide a crafted URL that can redirect users to an arbitrary external domain. By leveraging thi…
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Medium 4.8
Stored Cross-Site Scripting in Multiple WSO2 Products
The Publisher portal fails to enforce proper validation on uploaded SVG files, allowing users with the Publisher role to inject malicious scripts. This weakness can be exploited by uploading a crafted SVG file, which is then stored and rendered by the applica…
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High 8.7
SQL Injection via Admin REST API in Multiple WSO2 Products Allows Database Information Inference and Service Disruption
The Admin REST API accepts user-supplied input without adequately sanitizing it, allowing it to be included in the structure of SQL statements. A user with administrator privileges can exploit this by influencing the structure of executed SQL statements, enab…
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Medium 4.4
Information Disclosure via Event Publisher Logging in Multiple WSO2 Products Allows Retrieval of Sensitive Data
When an Event Publisher output adapter is configured with properties that are irrelevant to its function, the affected products log these irrelevant properties. This can inadvertently include sensitive user credentials or other confidential information depend…
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Medium 4.6
Reflected Cross-Site Scripting via User Search Function in Management Console of Multiple WSO2 Products
The user search function within the management console fails to properly encode user-supplied input before rendering it in the browser. This allows an attacker to inject malicious scripts that are then executed by the user's browser in the context of the mana…
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Medium 4.8
Account Lock Bypass via User Store Synchronization in Multiple WSO2 Products Allows Brute Force Attacks
The account lock feature fails to correctly enforce account lockouts on the primary user store when users with identical usernames exist in both primary and secondary user stores. This occurs because the lock condition is only applied to the secondary user st…
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Critical 9.4
Broken Access Control via System REST APIs in Multiple WSO2 Products Allows Unauthorized Administrative Actions
The System REST APIs do not correctly enforce access control mechanisms, allowing users with lower privilege roles to execute administrative actions that should be restricted. This weakness permits unauthorized operations on the affected product. Successful e…
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Low 3.1
Improper Token Revocation via OAuth2 Scope Enforcement in Multiple WSO2 Products [Disrupted Authentication Flows]
When the `allowed_scopes` configuration is enabled, the OAuth2 token introspection mechanism does not immediately invalidate a token in the cache after a revocation request. This results in a scenario where an access token that was introspected immediately be…
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Medium 6.1
Cross-Site Scripting via Authentication Endpoint Error Message in Multiple WSO2 Products
The authentication endpoint generates an error message that includes reflected data directly from the request without sufficient sanitization or encoding. This allows an attacker to inject malicious scripts that can be executed in the context of a victim's br…
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High 8.3
Server Side Request Forgery in Multiple WSO2 Products Allows Access to Internal and External Resources
Due to the improper implementation of access control rules, malicious actors could perform a Server Side Request Forgery (SSRF) attack on affected WSO2 Products. Exploiting this vulnerability allows a malicious actor to access both internal and external resou…
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Medium 4.0
Sensitive Data Exposure via URL Parameters in Multiple WSO2 Products Allows Confidential Information Leakage
The product failed to enforce validation constraints on user-supplied input in URL parameters, allowing sensitive data to be passed to flows where it was not intended to be processed. Although the product did not utilize this data, its acceptance could lead t…
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Medium 5.8
Username Enumeration via External User Stores in Multiple WSO2 Products Allows User Account Discovery
When a WSO2 product is configured to use an external user store, the system fails to adequately obscure the existence or validity of usernames during authentication attempts. This oversight allows an attacker to repeatedly query the authentication mechanism w…
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Medium 5.4
Open Redirection via Callback URL in WSO2 API Manager Allows Phishing Attacks
The callback URL parameter in WSO2 API Manager fails to validate user-supplied input, allowing it to be controlled by malicious actors. Exploitation of this vulnerability could lead to users being redirected to attacker-controlled web pages. This can be used …
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Medium 6.1
Cross-Site Scripting via Authentication Endpoint in Multiple WSO2 Products Enables UI Manipulation and Redirection
The Authentication Endpoint accepts user-supplied input without sufficient encoding, allowing for the injection of malicious JavaScript payloads. This vulnerability can be triggered by submitting crafted input to the Authentication Endpoint. Successful exploi…
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Medium 4.8
Password Brute Force via Password History Validation in Multiple WSO2 Products Allows User Account Discovery
The RemoteUserStoreManagerService does not sufficiently validate password change attempts when the password history validation feature is enabled. This oversight allows an attacker to repeatedly attempt password guesses for a user account without being adequa…
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Low 2.7
Expression Language Injection via User Input in Multiple WSO2 Products Permits Arbitrary Operations
The software accepts user-supplied data without sufficient validation, allowing for the injection of malicious Expression Language (EL) code. This can lead to the execution of arbitrary operations within the affected deployment. Exploitation of this vulnerabi…
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Medium 6.5
Improper Token Revocation via Session-Bound Token Flow in Multiple WSO2 Products Allows Unauthorized Access After Session Termination
Tokens associated with user sessions are not revoked when the corresponding user session is terminated, unless another SSO request is initiated. This occurs when the session-bound token feature is enabled with token binding validation and the "Revoke token up…
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Medium 4.9
Sensitive Information Disclosure via Management Console and Product Files in Multiple WSO2 Products Allows Retrieval of Credentials
The Management Console and product files expose sensitive data, including remote log server credentials, truststore passwords, and keystore passwords, in plain text. This occurs because the system does not sufficiently protect or obscure these credentials whe…
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Medium 5.4
Refresh Token Misuse via Validation Flaw in Multiple WSO2 Products Enables Unauthorized Resource Consumption
The ForgeRock client fails to correctly validate refresh tokens. This allows a refresh token to be treated as a valid access token, enabling its use for consuming protected resources. This bypasses the intended security control that requires valid client cred…
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Medium 4.3
Stored Cross-Site Scripting via XML Input in Multiple WSO2 Products Allows UI Manipulation and Redirection
The carbon console accepts user-supplied XML input without sufficiently encoding potentially executable content, allowing for the injection of malicious scripts. Successful exploitation allows a remote attacker to execute arbitrary JavaScript in the context o…
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Critical 9.1
Remote Code Execution via JDBC User Store Configuration in Multiple WSO2 Products Allows Arbitrary Code Execution
The Management Console fails to properly validate input related to the configuration of JDBC user stores. This weakness allows an attacker to supply specially crafted input that can lead to the execution of arbitrary code on the affected server. Successful ex…
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Medium 5.3
Username Enumeration via Self Registration Flow in Multiple WSO2 Products Allows User Account Discovery
The self-registration flow accepts user-supplied input for usernames without adequately preventing the disclosure of username existence. When a user attempts to register with an existing username, the system responds with an error message that explicitly indi…
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Medium 6.4
Cross-Site Scripting via HTML Sanitization in WSO2 Publisher and Developer Portals Allows Malicious Script Execution
Insufficient HTML sanitization in the Publisher Portal and Developer Portal allows untrusted user input to be rendered without proper encoding or neutralization. This enables the injection and execution of malicious JavaScript when affected API documents are …
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Medium 4.7
Reverse Tabnabbing via New Tab Navigation in Multiple WSO2 Products Allows Phishing and Credential Theft
The product's web portals allow external links to be opened in a new browser tab. In certain configurations, the originating window retains access to the newly opened page, allowing interaction between the two browser contexts when navigating to external dest…
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High 8.4
Arbitrary Code Execution via Administrative Operations in Multiple WSO2 Products Allows Remote Code Execution
The administrative operations within the Carbon Console do not adequately validate specific user-supplied input. This oversight allows a malicious actor with administrative privileges to inject and execute arbitrary code remotely. Successful exploitation enab…
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Medium 5.9
Predictable Pseudorandom Number Generation via Webhook HMAC Secret Generation in Multiple WSO2 Products Allows Forged Event Payloads
The API Publisher component previously used a non-cryptographic pseudorandom number generator (PRNG) to create shared secrets for Webhook HMAC validation. This PRNG lacks sufficient entropy for security-sensitive operations, allowing a sophisticated attacker …
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Critical 9.1
Arbitrary File Upload via System REST API in Multiple WSO2 Products Allows Remote Code Execution
The System REST API accepts user-supplied file uploads without enforcing sufficient validation on the file type or destination, allowing files to be written to arbitrary server-accessible locations. Exploitation requires authenticated administrative access wi…
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High 8.7
XML External Entity (XXE) Injection via Schema Validation in Multiple WSO2 Products Allows File Reading and Denial of Service
The XML and schema validation functionalities within the SchemaValidator Mediator process XML input as part of validation flows. Under certain conditions, the XML parser allows the resolution of external entities when handling user-supplied XML content during…
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Critical 9.0
Access Control Bypass via Publisher REST APIs in Multiple WSO2 Products Allows Cross-Tenant Operations
In multi-tenant deployments, the Publisher REST APIs fail to enforce tenant isolation correctly. This allows a user in one tenant, possessing sufficient privileges to invoke these APIs, to perform operations that impact other tenants. The vulnerability allows…
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Medium 4.3
User Interface Misrepresentation via Swagger UI Try-out Console in WSO2 API Manager Allows Sensitive Information Exposure or Unintended Requests
The Swagger UI Try-out console within the API Publisher documentation allows an external Swagger API definition URL to be loaded, overriding the existing API definitions within the Publisher portal. By exploiting this vulnerability, malicious actors can decei…
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Medium 6.8
Information Disclosure and Integrity Violation via Improper Message Context Handling in Multiple WSO2 Products
The Class Mediator fails to correctly validate or sanitize `messageContext` properties when they are used to populate dynamic values. This allows authenticated users to potentially access or modify data across different system invocations that should be isola…
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Critical 10.0
Authentication Bypass via JWT Algorithm Mismatch in Multiple WSO2 Products Allows Account Takeover
The JWT authentication mechanism accepts tokens signed with algorithms other than those explicitly configured or supported. This allows an attacker to craft a JWT with an unsupported algorithm, which is then incorrectly validated, leading to unauthorized acce…
KEV Sep 24, 2026 -
Critical 9.8
Privilege Escalation via System REST APIs in Multiple WSO2 Products Permits Admin Account Takeover
Tokens issued to a low-privileged user are not sufficiently restricted, allowing them to be used to access product-level Admin REST APIs. Exploitation of this vulnerability allows a low-privileged user to invoke the Admin REST APIs of WSO2 products, potential…
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Critical 9.4
Account Takeover via Conditional Authentication Script Logic in Multiple WSO2 Products
The Conditional Authentication (Adaptive Authentication) script does not correctly enforce the completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configured. This allows an attacker to bypass…
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Medium 5.4
Header Injection via Custom URL Configuration in Multiple WSO2 Products Allows Open Redirect and Log Forgery
When a proxy server is configured with `customUrl.enabled`, the component accepts user-supplied input within forwarded HTTP headers without enforcing expected validation constraints. A malicious actor can manipulate these headers to influence the URL construc…