Red Hat Linux Security Advisories & CVEs
2993 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-2026-56859] Denial of Service via XML decoding recursion depth issue
Denial of Service via XML decoding recursion depth issue. Red Hat rates this important (CVSS 7.5). Weakness: CWE-776. Red Hat lists fixing advisory RHSA-2026:54836 with package golang1-26-main-1.26.6-0.1.hum1, golang1-25-main-1.25.13-0.1.hum1. Affected products named by the advisory: Assisted Installer for Red Hat OpenShift Container Platform 2; AWS Load Balancer Operator; Builds for Red Hat OpenShift; cert-manager Operator for Red Hat OpenShift; and 52 more. Affected products named by the advisory: Compliance Operator; Confidential Compute Attestation; Cryostat 4; Custom Metric Autoscaler operator for Red Hat Openshift; and 48 more.
High [CVE-2026-73662] FreePBX Music on Hold: Arbitrary command execution by authenticated administrator
FreePBX Music on Hold: Arbitrary command execution by authenticated administrator. Red Hat rates this important (CVSS 7.2). Weakness: CWE-78.
High [CVE-2026-45774] Arbitrary file read via path traversal in profile import
Arbitrary file read via path traversal in profile import. Red Hat rates this important (CVSS 7.4). Weakness: CWE-22. Affected product named by the advisory: File Integrity Operator.
High [CVE-2026-45725] Arbitrary file write via path traversal in remote fetching mechanism
Arbitrary file write via path traversal in remote fetching mechanism. Red Hat rates this important (CVSS 7.4). Weakness: CWE-22. Affected product named by the advisory: File Integrity Operator.
High [CVE-2026-73643] Denial of Service via exponential parsing in flow collections
Denial of Service via exponential parsing in flow collections. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. Affected products named by the advisory: Cryostat 4; Gatekeeper 3; Migration Toolkit for Applications 8; Migration Toolkit for Containers; and 31 more. Affected products named by the advisory: Network Observability Operator; Node HealthCheck Operator; OpenShift Lightspeed; OpenShift Pipelines; and 27 more.
High [CVE-2026-73569] Denial of Service via repeated DOCTYPE declarations
Denial of Service via repeated DOCTYPE declarations. Red Hat rates this important (CVSS 7.5). Weakness: CWE-776. Affected products named by the advisory: Migration Toolkit for Applications 8; Red Hat Advanced Cluster Security 4; Red Hat Openshift Data Foundation 4; Red Hat OpenShift GitOps; and 2 more. Affected products named by the advisory: Red Hat OpenShift Virtualization 4; Self-service automation portal 2.
High [CVE-2026-73566] Denial of Service via crafted long-path tar archive
Denial of Service via crafted long-path tar archive. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected products named by the advisory: Exploit Intelligence; Migration Toolkit for Applications 8; Migration Toolkit for Containers; Node HealthCheck Operator; and 30 more. Affected products named by the advisory: OpenShift Pipelines; OpenShift Service Mesh 3; Red Hat 3scale API Management Platform 2; Red Hat Advanced Cluster Management for Kubernetes 2; and 26 more.
High [CVE-2026-58440] Information disclosure via incomplete webhook revocation
Information disclosure via incomplete webhook revocation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-459. Affected product named by the advisory: OpenShift Pipelines.
High [CVE-2026-73515] Memory Disclosure and Denial of Service via Malformed FlatGeobuf Buffer
Memory Disclosure and Denial of Service via Malformed FlatGeobuf Buffer. Red Hat rates this important (CVSS 8.1). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: postgresql16-postgis; Red Hat package: postgresql18-postgis.
High [CVE-2026-73556] Denial of Service via Regular Expression processing
Denial of Service via Regular Expression processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. Affected products named by the advisory: Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-53785] Arbitrary file write via path traversal in --relative mode
Arbitrary file write via path traversal in --relative mode. Red Hat rates this important (CVSS 7.1). Weakness: CWE-59. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: rsync.
High [CVE-2026-53803] Local Privilege Escalation via Symlink Following
Local Privilege Escalation via Symlink Following. Red Hat rates this important (CVSS 7). Weakness: CWE-59. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: rsync.
High [CVE-2026-73508] Denial of Service via Memory Leak in DNS Record Decoder with Malformed Domain Names
Denial of Service via Memory Leak in DNS Record Decoder with Malformed Domain Names. Red Hat rates this important (CVSS 7.5). Weakness: CWE-772. Affected products named by the advisory: OpenShift Serverless; Red Hat build of Apicurio Registry 3; Red Hat build of Debezium 3; Red Hat Data Grid 8; and 7 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat JBoss Enterprise Application Platform 7; Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack; and 3 more.
High [CVE-2026-73505] Arbitrary command execution via template injection in directory names
Arbitrary command execution via template injection in directory names. Red Hat rates this important (CVSS 7.8). Weakness: CWE-78.
High [CVE-2026-14456] Denial of Service via unbounded memory growth in QUIC server
Denial of Service via unbounded memory growth in QUIC server. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Red Hat lists fixing advisory RHSA-2026:56097 with package openssl-main-3.5.6-0.5.hum1. Affected products named by the advisory: Red Hat Developer Hub; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Hardened Images; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: openssl.
High [CVE-2026-66804] authenticated SSRF via /ansibletower allows arbitrary host access with full response disclosure
authenticated SSRF via /ansibletower allows arbitrary host access with full response disclosure. Red Hat rates this important (CVSS 7.7). Weakness: CWE-918. Red Hat lists fixing advisory RHSA-2026:57194 with package rhacm2/console-rhel9:1786908361, multicluster-engine/console-mce-rhel9:1786911977. Affected products named by the advisory: Multicluster Engine for Kubernetes; Red Hat Advanced Cluster Management for Kubernetes 2.
High [CVE-2026-73627] Plugin manager lock-rule bypass allows unauthorized plugin control
Plugin manager lock-rule bypass allows unauthorized plugin control. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-414. Affected products named by the advisory: Migration Toolkit for Applications 8; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-73624] Arbitrary File Overwrite via improper git option validation
Arbitrary File Overwrite via improper git option validation. Red Hat rates this important (CVSS 8.1). Weakness: CWE-88. Affected products named by the advisory: Exploit Intelligence; Migration Toolkit for Applications 8; Pen Drive Powered by Red Hat Lightspeed; Red Hat AI Inference Server; and 7 more. Affected products named by the advisory: Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat Hardened Images; Red Hat OpenShift AI (RHOAI); and 3 more.
High [CVE-2026-73625] Remote Code Execution via kwarg value smuggling
Remote Code Execution via kwarg value smuggling. Red Hat rates this important (CVSS 8.8). Weakness: CWE-78. Affected products named by the advisory: Exploit Intelligence; Migration Toolkit for Applications 8; Pen Drive Powered by Red Hat Lightspeed; Red Hat AI Inference Server; and 7 more. Affected products named by the advisory: Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat Hardened Images; Red Hat OpenShift AI (RHOAI); and 3 more.
High [CVE-2026-73623] Remote Code Execution via malicious Git template
Remote Code Execution via malicious Git template. Red Hat rates this important (CVSS 7.5). Weakness: CWE-78. Affected products named by the advisory: Exploit Intelligence; Migration Toolkit for Applications 8; Pen Drive Powered by Red Hat Lightspeed; Red Hat AI Inference Server; and 7 more. Affected products named by the advisory: Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat Hardened Images; Red Hat OpenShift AI (RHOAI); and 3 more.