Red Hat Linux Security Advisories & CVEs
4888 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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Security advisories for your Red Hat release
Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata — keep the system patched. This is the release's advisory history, not a per-package scan.
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Red Hat Security Data API
Red Hat Enterprise Linux errata (RHSA) via the official Red Hat Security Data API — CVE severity, CVSS and affected packages. A credential-free official source.
Latest Red Hat advisories
High [CVE-2026-27893] Remote code execution due to hardcoded trust_remote_code setting
Remote code execution due to hardcoded trust_remote_code setting. Red Hat rates this important (CVSS 8.8). Weakness: CWE-501. Affected package(s): rhaiis/vllm-cuda-rhel9:1779223654, rhelai3/bootc-azure-cuda-rhel9:1776871985, rhelai3/bootc-aws-cuda-rhel9:1776871984, rhaiis/model-opt-cuda-rhel9:1775749857, rhaiis/vllm-rocm-rhel9:1775680262, rhaiis/vllm-rocm-rhel9:1779223651. Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat AI Inference Server 3.2; Red Hat AI Inference Server 3.3; Red Hat Enterprise Linux AI 3.3; Red Hat OpenShift AI 2.25; and 1 more.
High [CVE-2026-33898] Privilege escalation and unauthorized access due to improper authentication token validation in web UI
Privilege escalation and unauthorized access due to improper authentication token validation in web UI. Red Hat rates this important (CVSS 8.2). Weakness: CWE-303. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-33711] Local privilege escalation or denial of service via predictable temporary file paths
Local privilege escalation or denial of service via predictable temporary file paths. Red Hat rates this important (CVSS 8.8). Weakness: CWE-59. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-33542] Image cache poisoning due to insufficient image fingerprint validation
Image cache poisoning due to insufficient image fingerprint validation. Red Hat rates this important (CVSS 8.5). Weakness: CWE-354. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-1556] File (Field) Paths: Drupal File (Field) Paths: Information Disclosure via filename-collision uploads
File (Field) Paths: Drupal File (Field) Paths: Information Disclosure via filename-collision uploads. Red Hat rates this important (CVSS 7.7). Weakness: CWE-73. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-32285] Denial of Service via malformed JSON input
Denial of Service via malformed JSON input. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1285. Affected package(s): multicluster-engine/assisted-service, syft-main, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, trivy-main, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Logging Subsystem for Red Hat OpenShift 6.4; Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat Hardened Images; and 14 more.
High [CVE-2026-32286] Denial of Service via malicious PostgreSQL server
Denial of Service via malicious PostgreSQL server. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1285. Affected package(s): quay/quay-rhel8:1779689392, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-rhel9-operator:1779209992, multicluster-globalhub/multicluster-globalhub-manager-rhel9:1779210608, advanced-cluster-security/rhacs-scanner-v4-rhel8:1777307791, quay/quay-rhel8:1776752646. Resolved in Red Hat advisory RHSA-2026:11916 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Advanced Cluster Security for Kubernetes 4.8; Red Hat Quay 3.10; and 20 more.
High [CVE-2026-4926] Denial of Service via crafted regular expressions
Denial of Service via crafted regular expressions. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. Affected package(s): ansible-automation-platform, migration-toolkit-virtualization/mtv-console-plugin-rhel9:1779139872, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, rhtas/rhtas-console-ui-rhel9:1776673130, rhdh/rhdh-hub-rhel9:1776784286, rhosdt/tempo-jaeger-query-rhel9:1776435608. Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Ansible Automation Platform 2.6 for RHEL 9; and 25 more.
High [CVE-2026-33487] Integrity bypass due to incorrect XML Digital Signature validation via loop variable capture issue
Integrity bypass due to incorrect XML Digital Signature validation via loop variable capture issue. Red Hat rates this important (CVSS 7.5). Weakness: CWE-347. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, rhacm2/acm-grafana-rhel9:1777142269, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439, openshift-gitops. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat OpenShift GitOps 1.18; Red Hat OpenShift GitOps 1.19; Red Hat multicluster global hub 1.4.3; and 8 more.
High [CVE-2026-33636] Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion
Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion. Red Hat rates this moderate (CVSS 7.6). Weakness: CWE-124. Affected package(s): libpng, firefox, java, thunderbird, discovery/discovery-ui-rhel9:1782756541, rhaiis/model-opt-cuda-rhel9:1780681984. Resolved in Red Hat advisory RHSA-2026:11805 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7.
High [CVE-2026-33416] Arbitrary code execution due to use-after-free vulnerability
Arbitrary code execution due to use-after-free vulnerability. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-825. Affected package(s): libpng, firefox, discovery/discovery-ui-rhel9:1782756541, libpng15, thunderbird, libpng12. Resolved in Red Hat advisory RHSA-2026:18064 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 7.
High [CVE-2026-33413] Authorization bypass allows information disclosure and denial of service
Authorization bypass allows information disclosure and denial of service. Red Hat rates this moderate (CVSS 7.7). Weakness: CWE-306. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439, etcd. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9.
High [CVE-2026-1961] Remote Code Execution via command injection in WebSocket proxy
Remote Code Execution via command injection in WebSocket proxy. Red Hat rates this important (CVSS 8). Weakness: CWE-78. Affected package(s): foreman, rubygem-katello, rubygem-fog-kubevirt, python-pulp-container, python-pulp-rpm, python-django. Resolved in Red Hat advisory RHSA-2026:5968 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Satellite 6.16 for RHEL 8; Red Hat Satellite 6.16 for RHEL 9; Red Hat Satellite 6.17 for RHEL 9; Red Hat Satellite 6.18 for RHEL 9.
High [CVE-2026-33526] Denial of Service via heap Use-After-Free vulnerability in ICP handling
Denial of Service via heap Use-After-Free vulnerability in ICP handling. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. Affected package(s): squid, squid:4. Resolved in Red Hat advisory RHSA-2026:8880 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 9 more.
High [CVE-2026-32748] Denial of Service via crafted ICP traffic
Denial of Service via crafted ICP traffic. Red Hat rates this important (CVSS 7.5). Weakness: CWE-826. Affected package(s): squid, squid:4. Resolved in Red Hat advisory RHSA-2026:8880 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 9 more.
High [CVE-2026-30892] Privilege escalation due to incorrect parsing of the `--user` option
Privilege escalation due to incorrect parsing of the `--user` option. Red Hat rates this moderate (CVSS 7.8). Weakness: CWE-115. Affected package(s): crun. Resolved in Red Hat advisory RHSA-2026:28036 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
High [CVE-2026-33247] Information disclosure of credentials via monitoring port and command-line arguments
Information disclosure of credentials via monitoring port and command-line arguments. Red Hat rates this important (CVSS 7.5). Weakness: CWE-214. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat multicluster global hub 1.4.3; Red Hat multicluster global hub 1.5.2; Red Hat multicluster global hub 1.4.4; Red Hat multicluster global hub 1.6.0; and 4 more.
High [CVE-2026-34881] Server-Side Request Forgery leading to unauthorized internal network access
Server-Side Request Forgery leading to unauthorized internal network access. Red Hat rates this important (CVSS 7.1). Weakness: CWE-918. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0; Red Hat OpenStack Services on OpenShift 18.0.
High [CVE-2026-33219] Denial of Service via unbounded memory use in WebSockets
Denial of Service via unbounded memory use in WebSockets. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat multicluster global hub 1.4.3; Red Hat multicluster global hub 1.5.2; Red Hat multicluster global hub 1.4.4; Red Hat multicluster global hub 1.6.0; and 4 more.
High [CVE-2026-33218] Denial of Service via malformed message pre-authentication on leafnode port
Denial of Service via malformed message pre-authentication on leafnode port. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1286. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat multicluster global hub 1.4.3; Red Hat multicluster global hub 1.5.2; Red Hat multicluster global hub 1.4.4; Red Hat multicluster global hub 1.6.0; and 4 more.