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High 7.1
Keycloak mTLS Authentication Bypass via Reverse Proxy TLS Termination
A vulnerability was found in Keycloak. Deployments of Keycloak with a reverse proxy not using pass-through termination of TLS, with mTLS enabled, are affected. This issue may allow an attacker on the local network to authenticate as any user or client that le…
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High 7.5
Keycloak: amount of attributes per object is not limited and it may lead to dos
A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.
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High 8.8
Plaintext storage of user password
A flaw was found in the Keycloak package, more specifically org.keycloak.userprofile. When a user registers itself through registration flow, the "password" and "password-confirm" field from the form will occur as regular user attributes. All users and client…
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High 7.5
Keycloak allows anyone to register new security device or key for any user by using WebAuthn password-less login flow
A flaw was found in Keycloak. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.
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High 8.8
Authentication Bypass in keycloak
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular applicati…
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High 7.3
Temporary Directory Hijacking Vulnerability in Keycloak
A flaw was found in keycloak. Directories can be created prior to the Java process creating them in the temporary directory, but with wider user permissions, allowing the attacker to have access to the contents that keycloak stores in this directory. The high…
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High 8.1
Improper privilege management in Keycloak
It was found that Keycloak before version 12.0.0 would permit a user with only view-profile role to manage the resources in the new account console, allowing access and modification of data the user was not intended to have.
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High 7.5
Improper Input Validation in Keycloak
A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged con…
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High 8.1
Improper Verification of Cryptographic Signature in keycloak
It was found that Keycloak's SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the <Signature> sections, the message is still accepted, and the message can be modified. An attac…
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High 7.5
Keycloak vulnerable to infinite loop based Denial of Service
It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.
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High 7.5
Keycloak vulnerable to uncontrolled resource consumption
JBoss KeyCloak before 1.0.3.Final allows remote attackers to cause a denial of service (resource consumption) via a large value in the size parameter to auth/qrcode, related to QR code generation.