Red Hat Linux Security Advisories & Vulnerabilities
16038 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata, so keep the system patched. This is the release's advisory history, not a per-package scan.
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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
Low [CVE-2026-22001] Information Schema unspecified vulnerability (CPU Apr 2026)
Information Schema unspecified vulnerability (CPU Apr 2026). Red Hat rates this low (CVSS 2.7). Weakness: CWE-538. Affected package(s): mysql:8.4, mysql, mysql8.4, mysql:8.0. Resolved in Red Hat advisory RHSA-2026:25919 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Critical [CVE-2026-41245] Arbitrary file write via path traversal when extracting crafted RAR archives.
Arbitrary file write via path traversal when extracting crafted RAR archives.. Red Hat rates this important (CVSS 9.3). Weakness: CWE-22. 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 Fuse 7; Red Hat JBoss Enterprise Application Platform Expansion Pack.
High [CVE-2026-28684] Arbitrary file overwrite via symbolic link following
Arbitrary file overwrite via symbolic link following. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-59. Affected package(s): rhoai/odh-mlserver-rhel9:1778262856, rhoai/odh-feature-server-rhel9:1780069135, rhoai/odh-kserve-storage-initializer-rhel9:1780069127, rhoai/odh-vllm-gaudi-rhel9:1780069069, satellite/iop-host-inventory-rhel9:1780414237, rhoai/odh-vllm-gaudi-rhel9:1778600187. Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-33557] Authentication bypass via improper JWT validation
Authentication bypass via improper JWT validation. Red Hat rates this important (CVSS 8.6). 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 build of Debezium 3.
High [CVE-2026-6654] Memory corruption vulnerability via Double-Free/Use-After-Free
Memory corruption vulnerability via Double-Free/Use-After-Free. Red Hat rates this important (CVSS 7.3). Weakness: CWE-1341. 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-2026-6587] 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.
Medium [CVE-2026-5450] Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width
Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width. Red Hat rates this moderate (CVSS 5). Weakness: CWE-131. Affected package(s): glibc, insights-proxy/insights-proxy-container-rhel9:1782890503, glibc-main. Resolved in Red Hat advisory RHSA-2026:33170 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
Medium [CVE-2026-5928] Information disclosure or denial of service via ungetwc function with specific wide character encodings
Information disclosure or denial of service via ungetwc function with specific wide character encodings. Red Hat rates this moderate (CVSS 5). Weakness: CWE-125. Affected package(s): glibc-main. Resolved in Red Hat advisory RHSA-2026:12740 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-3219] Incorrect file installation due to improper archive handling
Incorrect file installation due to improper archive handling. Red Hat rates this moderate (CVSS 5). Weakness: CWE-1287. Affected package(s): python-pip-main. Resolved in Red Hat advisory RHSA-2026:20074 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-5958] GNU sed TOCTOU race condition
GNU sed TOCTOU race condition. Red Hat rates this moderate (CVSS 6.3). Weakness: CWE-367. Affected package(s): sed-main. Resolved in Red Hat advisory RHSA-2026:10995 — update the affected packages (`sudo dnf update`). Affected products 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 3 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.
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