Keycloak: Redirect URI validation bypass via ..;/ path traversal in OIDC auth endpoint

A flaw was found in Keycloak. This issue allows an attacker, who controls another path on the same web server, to bypass the allowed path in redirect Uniform Resource Identifiers URIs that use a wildcard. A successful attack may lead to the theft of an access token, resulting in information...

CVE-2026-30867

CocoaMQTT is a MQTT 5.0 client library for iOS and macOS written in Swift. Prior to version 2.2.2, a vulnerability exists in the packet parsing logic of CocoaMQTT that allows an attacker or a compromised/malicious MQTT broker to remotely crash the host iOS/macOS/tvOS application. If an attacker...

CVE-2026-30867

CocoaMQTT is a MQTT 5.0 client library for iOS and macOS written in Swift. Prior to version 2.2.2, a vulnerability exists in the packet parsing logic of CocoaMQTT that allows an attacker or a compromised/malicious MQTT broker to remotely crash the host iOS/macOS/tvOS application. If an attacker...

keycloak: Keycloak: Denial of Service via excessive processing of OpenID Connect scope parameters

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...

org.keycloak.protocol.oidc: Blind Server-Side Request Forgery (SSRF) in Keycloak OIDC Dynamic Client Registration via jwks_uri

A flaw was identified in Keycloak’s OpenID Connect Dynamic Client Registration feature when clients authenticate using privatekeyjwt. The issue allows a client to specify an arbitrary jwksuri, which Keycloak then retrieves without validating the destination. This enables attackers to coerce the...

keycloak: Keycloak: Denial of Service via excessive processing of OpenID Connect scope parameters

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...

CVE-2026-4634

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...

CVE-2026-4634

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...

CVE-2026-4634 Keycloak: keycloak: denial of service via excessive processing of openid connect scope parameters

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...

CVE-2026-4634

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...

CVE-2026-4634

Keycloak exposes a Denial of Service vulnerability (CVE-2026-4634) where an unauthenticated attacker can trigger excessive resource consumption by sending a specially crafted POST to the OpenID Connect token endpoint with an excessively long scope parameter, causing prolonged processing and servi...

CVE-2026-4634 Keycloak: keycloak: denial of service via excessive processing of openid connect scope parameters

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect OIDC token endpoint. This leads to high resource consumption and prolonged processing times, ultimate...

CVE-2026-33617

CVE-2026-33617 concerns MB connect line mbCONNECT24, with vulnerability in the data24 endpoint allowing unauthenticated access to a configuration file containing database credentials. The impact is limited to confidentiality (LOW) and there is no endpoint described that uses the credentials. No e...

CVE-2026-33616

CVE-2026-33616 concerns mb CONNECT24’s mb24api endpoint, where an unauthenticated blind SQL injection is possible due to improper handling of SQL SELECT elements. The description notes total loss of confidentiality if exploited. The CVSS 3.1 base score is 7.5 (HIGH), with network access, no privi...

CVE-2026-33615

The CVE-2026-33615 entry concerns MB connect line mbCONNECT24 with an unauthenticated SQL injection in the setinfo endpoint. The issue arises from improper neutralization in a SQL UPDATE command, enabling an attacker with network access (no auth, no user interaction) to compromise integrity and a...

CVE-2026-33614

CVE-2026-33614 concerns MB connect line mbCONNECT24, where an unauthenticated SQL injection is possible in the getinfo endpoint. The vulnerability arises from improper neutralization of special elements in a SQL SELECT command, leading to potential total loss of confidentiality (CVSS v3.1 base sc...

PT-2026-29731

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak where an unauthenticated attacker can cause a Denial of Service DoS by sending a crafted POST request to the OpenID Connect OIDC token endpoint. The attack involves...

PT-2026-114742

Уязвимость программного средства для управления идентификацией и доступом Keycloak связана с обработкой аномально длинных параметров scope в механизме OpenID Connect. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, вызвать отказ в обслуживании...

Keycloak security vulnerabilities

Keycloak is an open-source identity and access management solution developed by Keycloak itself. Keycloak has a security vulnerability that stems from sending a specially crafted POST request with an excessively long scope parameter to the OIDC token endpoint. This can lead to excessive resource...

MB Connect Line mbCONNECT24 has a SQL injection vulnerability

MB Connect Line mbCONNECT24 is a remote service portal developed by the German company MB Connect Line. This product supports functions such as remote access, data recording, and alarm notifications. MB Connect Line mbCONNECT24 has a SQL injection vulnerability, which stems from improper handling...