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17 vulnerabilities found for Red Hat build of Keycloak 26.2 by Red Hat
CVE-2025-11419 (GCVE-0-2025-11419)
Vulnerability from nvd
Published
2025-12-23 20:42
Modified
2025-12-23 20:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
A flaw was found in Keycloak. This vulnerability allows an unauthenticated remote attacker to cause a denial of service (DoS) by repeatedly initiating TLS 1.2 client-initiated renegotiation requests to exhaust server CPU resources, making the service unavailable.
References
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Impacted products
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Version: 0 ≤ Version: 26.2.0 ≤ Version: 26.4.0 ≤ |
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CVE-2025-13467 (GCVE-0-2025-13467)
Vulnerability from nvd
Published
2025-11-25 16:02
Modified
2025-12-23 21:00
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-502 - Deserialization of Untrusted Data
Summary
A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
References
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| Keycloak | Keycloak |
Version: 0 ≤ |
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CVE-2025-12390 (GCVE-0-2025-12390)
Vulnerability from nvd
Published
2025-10-28 13:23
Modified
2025-12-19 20:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-384 - Session Fixation
Summary
A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As a result, one user may receive tokens that belong to another user.
References
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Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
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CVE-2025-12110 (GCVE-0-2025-12110)
Vulnerability from nvd
Published
2025-10-23 14:19
Modified
2025-12-19 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-613 - Insufficient Session Expiration
Summary
A flaw was found in Keycloak. An offline session continues to be valid when the offline_access scope is removed from the client. The refresh token is accepted and you can continue to request new tokens for the session. As it can lead to a situation where an administrator removes the scope, and assumes that offline sessions are no longer available, but they are.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
||||||||||||||||||||||||||||||||||||||||||
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CVE-2025-11429 (GCVE-0-2025-11429)
Vulnerability from nvd
Published
2025-10-23 14:09
Modified
2025-12-19 20:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-613 - Insufficient Session Expiration
Summary
A flaw was found in Keycloak. Keycloak does not immediately enforce the disabling of the "Remember Me" realm setting on existing user sessions. Sessions created while "Remember Me" was active retain their extended session lifetime until they expire, overriding the administrator's recent security configuration change. This is a logic flaw in session management increases the potential window for successful session hijacking or unauthorized long-term access persistence. The flaw lies in the session expiration logic relying on the session-local "remember-me" flag without validating the current realm-level configuration.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
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CVE-2025-10044 (GCVE-0-2025-10044)
Vulnerability from nvd
Published
2025-09-05 19:59
Modified
2025-12-19 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
A flaw was found in Keycloak. Keycloak’s account console and other pages accept arbitrary text in the error_description query parameter. This text is directly rendered in error pages without validation or sanitization. While HTML encoding prevents XSS, an attacker can craft URLs with misleading messages (e.g., fake support phone numbers or URLs), which are displayed within the trusted Keycloak UI. This creates a phishing vector, potentially tricking users into contacting malicious actors.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
||||||||||||||||||||||||||||||||||||||||||
|
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CVE-2025-11419 (GCVE-0-2025-11419)
Vulnerability from cvelistv5
Published
2025-12-23 20:42
Modified
2025-12-23 20:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
A flaw was found in Keycloak. This vulnerability allows an unauthenticated remote attacker to cause a denial of service (DoS) by repeatedly initiating TLS 1.2 client-initiated renegotiation requests to exhaust server CPU resources, making the service unavailable.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Version: 0 ≤ Version: 26.2.0 ≤ Version: 26.4.0 ≤ |
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CVE-2025-13467 (GCVE-0-2025-13467)
Vulnerability from cvelistv5
Published
2025-11-25 16:02
Modified
2025-12-23 21:00
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-502 - Deserialization of Untrusted Data
Summary
A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | Keycloak |
Version: 0 ≤ |
||||||||||||||||||||||||||||||||||||||||||
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CVE-2025-12390 (GCVE-0-2025-12390)
Vulnerability from cvelistv5
Published
2025-10-28 13:23
Modified
2025-12-19 20:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-384 - Session Fixation
Summary
A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As a result, one user may receive tokens that belong to another user.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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CVE-2025-12110 (GCVE-0-2025-12110)
Vulnerability from cvelistv5
Published
2025-10-23 14:19
Modified
2025-12-19 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-613 - Insufficient Session Expiration
Summary
A flaw was found in Keycloak. An offline session continues to be valid when the offline_access scope is removed from the client. The refresh token is accepted and you can continue to request new tokens for the session. As it can lead to a situation where an administrator removes the scope, and assumes that offline sessions are no longer available, but they are.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
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CVE-2025-11429 (GCVE-0-2025-11429)
Vulnerability from cvelistv5
Published
2025-10-23 14:09
Modified
2025-12-19 20:14
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-613 - Insufficient Session Expiration
Summary
A flaw was found in Keycloak. Keycloak does not immediately enforce the disabling of the "Remember Me" realm setting on existing user sessions. Sessions created while "Remember Me" was active retain their extended session lifetime until they expire, overriding the administrator's recent security configuration change. This is a logic flaw in session management increases the potential window for successful session hijacking or unauthorized long-term access persistence. The flaw lies in the session expiration logic relying on the session-local "remember-me" flag without validating the current realm-level configuration.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
||||||||||||||||||||||
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CVE-2025-10044 (GCVE-0-2025-10044)
Vulnerability from cvelistv5
Published
2025-09-05 19:59
Modified
2025-12-19 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
A flaw was found in Keycloak. Keycloak’s account console and other pages accept arbitrary text in the error_description query parameter. This text is directly rendered in error pages without validation or sanitization. While HTML encoding prevents XSS, an attacker can craft URLs with misleading messages (e.g., fake support phone numbers or URLs), which are displayed within the trusted Keycloak UI. This creates a phishing vector, potentially tricking users into contacting malicious actors.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
||||||||||||||||||||||||||||||||||||||||||
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CVE-2025-9162 (GCVE-0-2025-9162)
Vulnerability from cvelistv5
Published
2025-08-21 15:40
Modified
2025-12-19 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-526 - Cleartext Storage of Sensitive Information in an Environment Variable
Summary
A flaw was found in org.keycloak/keycloak-model-storage-service. The KeycloakRealmImport custom resource substitutes placeholders within imported realm documents, potentially referencing environment variables. This substitution process
allows for injection attacks when crafted realm documents are processed. An attacker can leverage this to inject malicious content during the realm import procedure. This can lead to unintended consequences within the Keycloak environment.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2025-8419 (GCVE-0-2025-8419)
Vulnerability from cvelistv5
Published
2025-08-06 17:10
Modified
2025-12-19 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Summary
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.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Keycloak | keycloak |
Version: 0 ≤ |
||||||||||||||||||||||||||||||||||||||||||
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CVE-2025-7784 (GCVE-0-2025-7784)
Vulnerability from cvelistv5
Published
2025-07-18 13:48
Modified
2025-11-07 21:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-269 - Improper Privilege Management
Summary
A flaw was found in the Keycloak identity and access management system when Fine-Grained Admin Permissions(FGAPv2) are enabled. An administrative user with the manage-users role can escalate their privileges to realm-admin due to improper privilege enforcement. This vulnerability allows unauthorized elevation of access rights, compromising the intended separation of administrative duties and posing a security risk to the realm.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Version: 0 ≤ |
|||||||||||||||||||||||||||||||||||||||
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CVE-2025-7365 (GCVE-0-2025-7365)
Vulnerability from cvelistv5
Published
2025-07-10 14:20
Modified
2025-11-07 18:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-346 - Origin Validation Error
Summary
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.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Version: 0 ≤ Version: 26.2.0 ≤ |
||||||||||||||||||||||||||||||||||||||||||||
|
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CVE-2025-3501 (GCVE-0-2025-3501)
Vulnerability from cvelistv5
Published
2025-04-29 20:45
Modified
2025-11-20 07:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-297 - Improper Validation of Certificate with Host Mismatch
Summary
A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Version: 25.0.0 ≤ Version: 26.0.0 ≤ Version: 26.2.0 ≤ |
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