Red Hat Linux Security Advisories & CVEs
4891 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-2026-6587] vibrantlabsai RAGAS: vibrantlabsai RAGAS: Server-Side Request Forgery via retrieved_contexts argument manipulation
vibrantlabsai RAGAS: vibrantlabsai RAGAS: Server-Side Request Forgery via retrieved_contexts argument manipulation. Red Hat rates this important (CVSS 8.1). Weakness: CWE-918. 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-2026-41242] Arbitrary code execution via injected protobuf definition type fields
Arbitrary code execution via injected protobuf definition type fields. Red Hat rates this important (CVSS 8.8). Weakness: CWE-94. Affected package(s): rhdh/rhdh-hub-rhel9:1779841586, rhdh/rhdh-hub-rhel9:1781187342, rhoai/odh-mod-arch-model-registry-rhel9:1780467147, rhoai/odh-dashboard-rhel9:1780467029. Resolved in Red Hat advisory RHSA-2026:21338 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; and 10 more.
High [CVE-2026-40478] Server-Side Template Injection via expression execution bypass
Server-Side Template Injection via expression execution bypass. Red Hat rates this important (CVSS 8.5). Weakness: CWE-917. Affected package(s): devspaces/openvsx-rhel9:1779528224, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.28; Red Hat Fuse 7; Red Hat Single Sign-On 7; Red Hat JBoss Enterprise Application Platform Expansion Pack.
High [CVE-2026-40477] Server-Side Template Injection via security bypass in expression execution
Server-Side Template Injection via security bypass in expression execution. Red Hat rates this important (CVSS 8.5). Weakness: CWE-917. Affected package(s): devspaces/openvsx-rhel9:1779528224, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.28; Red Hat Fuse 7; Red Hat Single Sign-On 7; Red Hat JBoss Enterprise Application Platform Expansion Pack.
High [CVE-2026-42965] cloud metadata SSRF via FQDN-typed EndpointSlice bypasses destination validation
cloud metadata SSRF via FQDN-typed EndpointSlice bypasses destination validation. Red Hat rates this important (CVSS 7.7). 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 OpenShift Container Platform 4.21; Red Hat OpenShift Container Platform 4.22; Red Hat OpenShift Container Platform 4.20; Red Hat OpenShift Container Platform 4.19; and 2 more.
High [CVE-2026-40293] Information disclosure of preshared API key via playground endpoint
Information disclosure of preshared API key via playground endpoint. Red Hat rates this important (CVSS 7.5). Weakness: CWE-201. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779925273, rhacm2/acm-grafana-rhel9:1780677003. Resolved in Red Hat advisory RHSA-2026:24539 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15.
High [CVE-2026-46579] mTLS client certificate spoofing via unstripped X-SSL-Client headers on HTTP frontend
mTLS client certificate spoofing via unstripped X-SSL-Client headers on HTTP frontend. Red Hat rates this important (CVSS 7.4). Weakness: CWE-287. Affected package(s): openshift4/ose-haproxy-router-rhel9:1781552170, openshift4/ose-haproxy-router-rhel9:1781643967, openshift4/ose-haproxy-router-rhel9:1781639027. Resolved in Red Hat advisory RHSA-2026:27063 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Container Platform 4.20; Red Hat OpenShift Container Platform 4.21; Red Hat OpenShift Container Platform 4.22; Red Hat OpenShift Container Platform 4.19; and 7 more.
High [CVE-2026-32107] Privilege Escalation via improper privilege management
Privilege Escalation via improper privilege management. Red Hat rates this important (CVSS 7). Weakness: CWE-273. 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-2026-5807] Denial of Service via unauthenticated root token generation or rekey operations
Denial of Service via unauthenticated root token generation or rekey operations. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. 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 Openshift Data Foundation 4.
High [CVE-2026-4525] Information disclosure of authentication tokens via incorrect header handling
Information disclosure of authentication tokens via incorrect header handling. Red Hat rates this important (CVSS 7.5). Weakness: CWE-201. 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 Openshift Data Foundation 4.
High [CVE-2026-3605] Denial of Service due to unauthorized secret deletion via policy bypass
Denial of Service due to unauthorized secret deletion via policy bypass. Red Hat rates this important (CVSS 8.1). Weakness: CWE-639. 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 Openshift Data Foundation 4.
High [CVE-2026-40170] Denial of service via stack buffer overflow during QUIC handshake
Denial of service via stack buffer overflow during QUIC handshake. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Affected package(s): samba, ngtcp2-main. Resolved in Red Hat advisory RHSA-2026:22963 — 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 Hardened Images.
High [CVE-2025-54502] APCB SMM driver: kernel: linux-firmware: AMD APCB SMM driver: Arbitrary Code Execution via incorrect boot service use
APCB SMM driver: kernel: linux-firmware: AMD APCB SMM driver: Arbitrary Code Execution via incorrect boot service use. Red Hat rates this important (CVSS 7.5). Weakness: CWE-648. 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 Enterprise Linux.
High [CVE-2026-41082] path traversal via the .install field
path traversal via the.install field. Red Hat rates this important (CVSS 7.1). Weakness: CWE-24. 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 10.
High [CVE-2026-41035] Use-after-free vulnerability in extended attribute handling
Use-after-free vulnerability in extended attribute handling. Red Hat rates this important (CVSS 7.4). Weakness: CWE-805. Affected package(s): rsync, rhcos, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:25044 — 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 6 Extended Lifecycle Support - EXTENSION; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 18 more.
High [CVE-2026-12912] Heap-based buffer overflow via crafted PixarLog-compressed TIFF image
Heap-based buffer overflow via crafted PixarLog-compressed TIFF image. Red Hat rates this important (CVSS 7.3). Weakness: CWE-122. Affected package(s): libtiff-main. Resolved in Red Hat advisory RHSA-2026:34890 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; and 11 more.
High [CVE-2026-40192] Denial of Service via decompression bomb in FITS image processing
Denial of Service via decompression bomb in FITS image processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-409. Affected package(s): ansible-automation-platform, rhoai/odh-workbench-jupyter-pytorch-llmcompressor-cuda-py312-rhel9:1778263054, rhelai3/bootc-rocm-rhel9:1778666124, rhaiis/vllm-rocm-rhel9:1778244531, rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9:1778677734, rhaiis/vllm-cuda-rhel9:1778274666. Resolved in Red Hat advisory RHSA-2026:23361 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: 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; Red Hat Satellite 6.16 for RHEL 8; and 20 more.
High [CVE-2026-40261] command injection via malicious Perforce source reference/url
command injection via malicious Perforce source reference/url. Red Hat rates this important (CVSS 8.8). Weakness: CWE-78. Affected package(s): composer-main. Resolved in Red Hat advisory RHSA-2026:8165 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-40176] command injection via malicious Perforce repository definition
command injection via malicious Perforce repository definition. Red Hat rates this important (CVSS 7.8). Weakness: CWE-78. Affected package(s): composer-main. Resolved in Red Hat advisory RHSA-2026:8165 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2025-41118] sensitive COS SecretKey exposed in plaintext via configuration API due to missing type protection
sensitive COS SecretKey exposed in plaintext via configuration API due to missing type protection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-201. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779925273. Resolved in Red Hat advisory RHSA-2026:24503 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2; Red Hat Ceph Storage 6.