Redhat Keycloak vulnerabilities, page 2
98 vulnerabilities
Known vulnerabilities in Redhat Keycloak, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
CVE-2016-8629org.keycloakkeycloak-core+3
EPSS score1.90%
Red Hat Keycloak before version 2.4.0 did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication could use this flaw to bypass normal permissions and delete users in a separate realm.CVE-2016-8609org.keycloakkeycloak-core+2EPSS score1.68%
It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks.CVE-2025-7365chainguardkeycloak-26.2+4EPSS score0.27%
A flaw was found in Keycloak. When an authenticated attacker attempts to merge accounts with another existing account during an identity provider (IdP) login, the attacker will subsequently be prompted to "review profile" information. This vulnerability allows the attacker to modify their email address to match that of a victim's account, triggering a verification email sent to the victim's email address. The attacker's email address is not present in the verification email content, making it a potential phishing opportunity. If the victim clicks the verification link, the attacker can gain access to the victim's account.CVE-2025-5416redhatkeycloakEPSS score0.27%
A vulnerability has been identified in Keycloak that could lead to unauthorized information disclosure. While it requires an already authenticated user, the /admin/serverinfo endpoint can inadvertently provide sensitive environment information.CVE-2025-12150chainguardkeycloak-26.3-iamguarded-compat+5EPSS score0.21%
A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require direct attestation. This can lead to weakened authentication integrity and unauthorized authenticator registration.CVE-2025-8419chainguardkeycloak+7EPSS score0.45%
A vulnerability was found in Keycloak-services. Special characters used during e-mail registration may perform SMTP Injection and unexpectedly send short unwanted e-mails. The email is limited to 64 characters (limited local part of the email), so the attack is limited to very shorts emails (subject and little data, the example is 60 chars). This flaw's only direct consequence is an unsolicited email being sent from the Keycloak server. However, this action could be a precursor for more sophisticated attacks.CVE-2020-1727redhatkeycloak+1EPSS score0.80%
A vulnerability was found in Keycloak before 9.0.2, where every Authorization URL that points to an IDP server lacks proper input validation as it allows a wide range of characters. This flaw allows a malicious to craft deep links that introduce further attack scenarios on affected clients.CVE-2020-1728org.keycloakkeycloak-core+3EPSS score0.78%
A vulnerability was found in all versions of Keycloak where, the pages on the Admin Console area of the application are completely missing general HTTP security headers in HTTP-responses. This does not directly lead to a security issue, yet it might aid attackers in their efforts to exploit other problems. The flaws unnecessarily make the servers more prone to Clickjacking, channel downgrade attacks and other similar client-based attack vectors.CVE-2020-1694org.keycloakkeycloak-parent+1EPSS score1.64%
A flaw was found in all versions of Keycloak before 10.0.0, where the NodeJS adapter did not support the verify-token-audience. This flaw results in some users having access to sensitive information outside of their permissions.CVE-2020-1717org.keycloakkeycloak-parent+4EPSS score0.77%
A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.CVE-2020-1714org.keycloakkeycloak-common+13EPSS score2.60%
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 context and potentially lead to remote code execution.CVE-2020-1744org.keycloakkeycloak-core+4EPSS score1.13%
A flaw was found in keycloak before version 9.0.1. When configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the brute force protection event queue. So BruteForceProtector does not handle this events.CVE-2020-1724org.keycloakkeycloak-core+4EPSS score0.82%
A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.CVE-2020-1718org.keycloakkeycloak-parent+4EPSS score1.00%
A flaw was found in the reset credential flow in all Keycloak versions before 8.0.0. This flaw allows an attacker to gain unauthorized access to the application.CVE-2020-1725org.keycloakkeycloak-parent+1EPSS score0.68%
A flaw was found in keycloak before version 13.0.0. In some scenarios a user still has access to a resource after changing the role mappings in Keycloak and after expiration of the previous access token.CVE-2020-1758org.keycloakkeycloak-parent+3EPSS score0.93%
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.CVE-2020-1697org.keycloakkeycloak-core+3EPSS score0.76%
It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authed malicious user could create URLs to trick users in other realms, and possibly conduct further attacks.CVE-2020-1698org.keycloakkeycloak-core+2EPSS score0.37%
A flaw was found in keycloak in versions before 9.0.0. A logged exception in the HttpMethod class may leak the password given as parameter. The highest threat from this vulnerability is to data confidentiality.CVE-2020-14389org.keycloakkeycloak-core+1EPSS score0.82%
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.CVE-2020-14366org.keycloakkeycloak-parent+2EPSS score1.38%
A vulnerability was found in keycloak, where path traversal using URL-encoded path segments in the request is possible because the resources endpoint applies a transformation of the url path to the file path. Only few specific folder hierarchies can be exposed by this flaw