RHEL-8 based Middleware Containers vulnerabilities
31 known vulnerabilities in RHEL-8 based Middleware Containers from Red Hat. 31 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 9.1 Critical severity
Red Hat build of Keycloak 26.4: Weak Password Recovery Mechanism for Forgotten Password
A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for an
- 7.4 High severity
Red Hat JBoss Enterprise Application Platform…: Missing Authentication for Critical Functionality
A flaw was found in EAP's IIOP. The listener's NameService would accept bind operations without authentication, allowing an attacker to hijack JNDI lookups and binding them to a malicious ORB, achieving MITM or DoS on further invocations.
- 7.5 High severity
Red Hat build of Keycloak 26.2: Authentication Bypass by Spoofing
A session fixation vulnerability was found in Keycloak's login-actions endpoints. An unauthenticated attacker could exploit this flaw by pre-creating an authentication session and tricking a victim into visiting a maliciously crafted link. By leveraging the /l
- 7.5 High severity
Red Hat build of Keycloak 26.2: Improper Validation of Syntactic Correctness of Input
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language (SAML) endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial o
- 7.1 High severity
CPython: Improper Neutralization of Special Elements used in a Command
Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.
- 8.1 High severity
CPython: Use After Free
Use-after-free (UAF) was possible in the `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when a memory allocation fails with a `MemoryError` and the decompression instance is re-used. This scenario can be triggered if the process is under m
- 7.5 High severity
Red Hat build of Keycloak 26.2: Excessive Platform Resource Consumption within a Loop
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 a
- 7.5 High severity
Red Hat Enterprise Linux 7 Extended Lifecycle…: Integer Overflow or Wraparound
A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflo
- 7.5 High severity
Red Hat Enterprise Linux 10: Out-of-bounds Read
A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this b
- 7.5 High severity
nghttp2: Reachable Assertion
nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API `nghttp2_session_terminate_session` or `nghttp2_session_terminate_session2`
- 7.7 High severity
Red Hat build of Keycloak 26.2: Improper Validation of Specified Type of Input
A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by
- 7.5 High severity
openssh: Use of Uninitialized Resource
Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. The usage of sshpkt_disconnect() on a
- 8.3 High severity
Red Hat JBoss Enterprise Application Platform…: Improper Neutralization of Special Elements used in an SQL Command
A flaw was found in Hibernate. A remote attacker with low privileges could exploit a second-order SQL injection vulnerability by providing specially crafted, unsanitized non-alphanumeric characters in the ID column when the InlineIdsOrClauseBuilder is used. Th
- 9.6 Critical severity
A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and…
A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicio
- 7.5 High severity
Red Hat build of Apache Camel 4.14.2 for…: Allocation of Resources Without Limits or Throttling
A flaw was found in Undertow where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the "MadeYouReset" attack, allows malicious clients to induce excessive server workload by repeated
- 7.8 High severity
Red Hat Enterprise Linux 10: Improper Limitation of a Pathname to a Restricted Directory
A flaw was found in linux-pam. The module pam_namespace may use access user-controlled paths without proper protection, allowing local users to elevate their privileges to root via multiple symlink attacks and race conditions.
- 7.3 High severity
Red Hat JBoss Enterprise Application Platform 7: Improper Neutralization of Input During Web Page Generation
A vulnerability was found in Wildfly, where a user may perform Cross-site scripting in the Wildfly deployment system. This flaw allows an attacker or insider to execute a deployment with a malicious payload, which could trigger undesired behavior against the s
- 7.7 High severity
Red Hat Build of Keycloak: Improper Verification of Cryptographic Signature
A flaw exists in the SAML signature validation method within the Keycloak XMLSignatureUtil class. The method incorrectly determines whether a SAML signature is for the full document or only for specific assertions based on the position of the signature in the
- 7.1 High severity
Red Hat Build of Keycloak: Session Fixation
A session fixation issue was discovered in the SAML adapters provided by Keycloak. The session ID and JSESSIONID cookie are not changed at login time, even when the turnOffChangeSessionIdOnLogin option is configured. This flaw allows an attacker who hijacks th
- 7.5 High severity
Red Hat Build of Keycloak: Cleartext Storage of Sensitive Information
A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by the authorization server's HTTP response to a `request_uri` authorization req
- 7.4 High severity
Red Hat AMQ Broker 7: Origin Validation Error
A flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seconds using simple code, significantly impacting the applicatio
- 8.1 High severity
Migration Toolkit for Runtimes 1 on RHEL 8: Improper Limitation of a Pathname to a Restricted Directory
A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. This issue could allow an attacker to construct a malicious request to bypass validation and access other URLs and sensitive information within the domain or conduct
- 7.5 High severity
Red Hat build of Apache Camel 4.4.1 for Spring…: Uncontrolled Resource Consumption
A vulnerability was found in Undertow. This vulnerability impacts a server that supports the wildfly-http-client protocol. Whenever a malicious user opens and closes a connection with the HTTP port of the server and then closes the connection immediately, the
- 7.1 High severity
Red Hat build of Keycloak 22: URL Redirection to Untrusted Site
A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users
- 8.1 High severity
Red Hat Single Sign-On 7: Improperly Implemented Security Check for Standard
Keycloak's device authorization grant does not correctly validate the device code and client ID. An attacker client could abuse the missing validation to spoof a client consent request and trick an authorization admin into granting consent to a malicious OAuth
- 7.7 High severity
Red Hat Single Sign-On 7.6 for RHEL 7: Allocation of Resources Without Limits or Throttling
An unconstrained memory consumption vulnerability was discovered in Keycloak. It can be triggered in environments which have millions of offline tokens (> 500,000 users with each having at least 2 saved sessions). If an attacker creates two or more user sessio
- 7.1 High severity
Red Hat Single Sign-On 7: Improper Certificate Validation
A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, the
- 7.5 High severity
Red Hat Fuse 7.12.1: Memory Allocation with Excessive Size Value
A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. This may allow unauthorized users to cause remote Denial of Service (DoS) attack. If the server uses fileSizeThreshold to limit
- 9.8 Critical severity
RHEL-8 based Middleware Containers: Incorrect Default Permissions
A flaw was found in Red Hat Single Sign-On for OpenShift container images, which are configured with an unsecured management interface enabled. This flaw allows an attacker to use this interface to deploy malicious code and access and modify potentially sensit
- 8.1 High severity
Openshift Serverless 1 on RHEL 8: Incorrect Authorization
A flaw was found in Quarkus where HTTP security policies are not sanitizing certain character permutations correctly when accepting requests, resulting in incorrect evaluation of permissions. This issue could allow an attacker to bypass the security policy alt
- 7.5 High severity
EAP 7.4.10 release: Loop with Unreachable Exit Condition
A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.