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Redhat Security Vulnerabilities (CVE)

Explore vulnerabilities and security advisories affecting Redhat products.

31 known CVE vulnerabilities tracked

Critical
0
High
10
Medium
19
Low
2
None
0

Vulnerabilities By Year

Products Affected

All Redhat CVEs

CVE-2026-1784
8.8 high

The Route OpenShift resource allows to define routes to make pods reachable at a subdomain through HAProxy. It was found that the checks performed on the spec.path YAML stanza in a Route document was insufficient and could allow a controlled injection of the HAProxy configuration.

Openshift Container Platform Jun 2, 2026
CVE-2026-10533
5.0 medium

A flaw was found in OpenShift Container Platform. Completed pods with restartPolicy: Never do not count toward ResourceQuota pod limits, and Kubernetes events are not quota-scoped. A non-privileged user who can create pods in a namespace can exploit this to generate a large volume of events that acc

Openshift Container Platform Jun 1, 2026
CVE-2026-46579
7.4 high

A flaw was found in the OpenShift Router. When a Route has `insecureEdgeTerminationPolicy` set to Allow, the HTTP frontend does not remove `X-SSL-Client-*` headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted `X-SSL-Client-*` headers. As a

Openshift Container Platform May 29, 2026
CVE-2026-42965
7.7 high

A flaw was found in the OpenShift Router. A user with EndpointSlice write access can exploit this vulnerability by creating a Service backed by an FQDN (Fully Qualified Domain Name) EndpointSlice that resolves to a cloud metadata endpoint. This allows the router to proxy requests to the cloud metada

Openshift Container Platform May 29, 2026
CVE-2026-9803
5.3 medium

A flaw was found in Keycloak's ClientRegistrationAuth component. A remote unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with a malformed 'Authorization: Bearer' header to any client registration endpoint. This can lead to an ArrayIndexOutOfBounds

Build Of Keycloak May 28, 2026
CVE-2026-9802
6.8 medium

A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been revoke

Build Of Keycloak May 28, 2026
CVE-2026-9801
4.9 medium

A flaw was found in Keycloak. A remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol (LDAP) server or an attacker compromising an upstream LDAP server, could exploit this vulnerability. By sending a malformed LDAP password

Build Of Keycloak May 28, 2026
CVE-2026-9798
4.3 medium

A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication (CIBA) flow to bypass this brut

Build Of Keycloak May 28, 2026
CVE-2026-9796
6.5 medium

A flaw was found in Keycloak. An authenticated administrator with the `manage-clients` role can exploit a Time-of-check to time-of-use (TOCTOU) vulnerability in the name-based admin role checks. This allows the attacker to escalate their privileges to `realm-admin` for all users within the realm, gr

Build Of Keycloak May 28, 2026
CVE-2026-9795
7.3 high

A flaw was found in Keycloak's Fine-Grained Admin Permissions (FGAPv2) feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security control

Build Of Keycloak May 28, 2026
CVE-2026-9794
5.3 medium

A flaw was found in Keycloak. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted SOAP requests to the SAML ECP (Security Assertion Markup Language Enhanced Client or Proxy) endpoint with varying client IDs. By observing distinct faultstrings in the respons

Build Of Keycloak May 28, 2026
CVE-2026-9793
5.9 medium

A flaw was found in Keycloak. When a JSON Web Encryption (JWE) encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leading

Build Of Keycloak May 28, 2026
CVE-2026-9792
6.5 medium

A flaw was found in Keycloak's Client Policies, specifically within the `org.keycloak.protocol.oidc` component. When certain condition providers (client-type, client-roles, client-attributes, client-scopes) are used to enforce security restrictions, the `reject-ropc-grant` executor is silently bypas

Build Of Keycloak May 28, 2026
CVE-2026-9791
4.3 medium

A flaw was found in Keycloak. An authenticated user with existing organization membership can exploit this flaw by accessing user-facing APIs, such as the account API or by requesting an OpenID Connect (OIDC) token with the 'organization' scope. This allows organization metadata to be disclosed in t

Build Of Keycloak May 28, 2026
CVE-2026-9704
6.8 medium

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subject_token JSON Web Token (JWT) to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client cre

Build Of Keycloak May 27, 2026
CVE-2026-2340
6.5 medium

A flaw was found in Samba’s vfs_worm module. The module is intended to provide write-once, read-many (WORM) protections by preventing modification of files after a configurable grace period. Due to insufficient validation during rename operations, an authenticated user with write access to a share c

Openshift Container Platform May 27, 2026
CVE-2026-1933
7.1 high

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only e

Openshift Container Platform May 27, 2026
CVE-2026-9689
4.2 medium

A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers (URIs), a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks

Build Of Keycloak May 27, 2026
CVE-2026-32591
5.2 medium

A flaw was found in Red Hat Quay's Proxy Cache configuration feature. When an organization administrator configures an upstream registry for proxy caching, Quay makes a network connection to the specified registry hostname without verifying that it points to a legitimate external service. An attacke

Mirror Registry For Red Hat Openshift Apr 8, 2026
CVE-2026-32590
7.1 high

A flaw was found in Red Hat Quay's handling of resumable container image layer uploads. The upload process stores intermediate data in the database using a format that, if tampered with, could allow an attacker to execute arbitrary code on the Quay server.

Mirror Registry For Red Hat Openshift Apr 8, 2026
CVE-2026-32589
7.4 high

A flaw was found in Red Hat Quay's container image upload process. An authenticated user with push access to any repository on the registry can interfere with image uploads in progress by other users, including those in repositories they do not have access to. This could allow the attacker to read,

Mirror Registry For Red Hat Openshift Apr 8, 2026
CVE-2026-2377
6.5 medium

A flaw was found in mirror-registry. Authenticated users can exploit the log export feature by providing a specially crafted web address (URL). This allows the application's backend to make arbitrary requests to internal network resources, a vulnerability known as Server-Side Request Forgery (SSRF).

Mirror Registry For Red Hat Openshift Apr 8, 2026
CVE-2026-2575
5.3 medium

A flaw was found in Keycloak. An unauthenticated remote attacker can trigger an application level Denial of Service (DoS) by sending a highly compressed SAMLRequest through the SAML Redirect Binding. The server fails to enforce size limits during DEFLATE decompression, leading to an OutOfMemoryError

Build Of Keycloak Mar 18, 2026
CVE-2025-8766
6.4 medium

A container privilege escalation flaw was found in certain Multi-Cloud Object Gateway Core images. This issue stems from the /etc/passwd file being created with group-writable permissions during build time. In certain conditions, an attacker who can execute commands within an affected container, eve

Openshift Data Foundation Mar 13, 2026