Red Hat Linux Security Advisories & CVEs
3037 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-2026-70428] Arbitrary file write via path traversal
Arbitrary file write via path traversal. Red Hat rates this important (CVSS 8.8). Weakness: CWE-22. Affected product named by the advisory: OpenShift Developer Tools and Services.
High [CVE-2026-70426] Arbitrary code execution via deserialization filter bypass
Arbitrary code execution via deserialization filter bypass. Red Hat rates this important (CVSS 8.3). Weakness: CWE-502. Affected product named by the advisory: OpenShift Developer Tools and Services.
High [CVE-2026-70427] Arbitrary file write via crafted archives and symbolic links
Arbitrary file write via crafted archives and symbolic links. Red Hat rates this important (CVSS 8.8). Weakness: CWE-59. Affected product named by the advisory: OpenShift Developer Tools and Services.
High [CVE-2026-15572] DCR protocol mapper type-swap policy bypass allows privilege escalation
DCR protocol mapper type-swap policy bypass allows privilege escalation. Red Hat rates this important (CVSS 8.8). Weakness: CWE-843. Red Hat lists fixing advisory RHSA-2026:50848 with package rhbk/keycloak-rhel9:26.6-11, rhbk/keycloak-operator-bundle:26.4.14-1, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator:26.6-11. Affected products named by the advisory: Red Hat build of Keycloak 26.4.14; Red Hat build of Keycloak 26.6.5.
High [CVE-2026-16442] SAML IdP-initiated broker login bypasses link-only restriction
SAML IdP-initiated broker login bypasses link-only restriction. Red Hat rates this important (CVSS 7.4). Weakness: CWE-346. Red Hat lists fixing advisory RHSA-2026:50848 with package rhbk/keycloak-rhel9:26.6-11, rhbk/keycloak-operator-bundle:26.4.14-1, rhbk-keycloak-rhel9/rhbk-keycloak-rhel9, keycloak-services.
High [CVE-2026-16102] Default DCR policy allows role forgery via User Property mappers
Default DCR policy allows role forgery via User Property mappers. Red Hat rates this important (CVSS 8.1). Red Hat lists fixing advisory RHSA-2026:50848 with package rhbk/keycloak-rhel9:26.6-11, rhbk/keycloak-operator-bundle:26.4.14-1, rhbk-keycloak-rhel9/rhbk-keycloak-rhel9, keycloak-services. Affected products named by the advisory: Red Hat build of Keycloak 26.4; Red Hat build of Keycloak 26.6; Red Hat Data Grid 8; Red Hat Single Sign-On 7.
High [CVE-2026-15573] Authorization bypass via unnormalized URI matching in PathMatcher
Authorization bypass via unnormalized URI matching in PathMatcher. Red Hat rates this important (CVSS 8.1). Red Hat lists fixing advisory RHSA-2026:50848 with package rhbk/keycloak-rhel9:26.6-11, rhbk/keycloak-operator-bundle:26.4.14-1, rhbk/keycloak-rhel9, keycloak-services. Affected products named by the advisory: Red Hat build of Keycloak 26.4; Red Hat build of Keycloak 26.6; Red Hat Data Grid 8; Red Hat Single Sign-On 7.
High [CVE-2026-16443] SAML broker metadata import disables response signature validation
SAML broker metadata import disables response signature validation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-347. Red Hat lists fixing advisory RHSA-2026:50848 with package rhbk/keycloak-rhel9:26.6-11, rhbk/keycloak-operator-bundle:26.4.14-1, rhbk-keycloak-rhel9/rhbk-keycloak-rhel9, keycloak-services.
High [CVE-2026-71226] Memory corruption via uncanceled AIO requests on error in libkcapi's one-shot AIO path
Memory corruption via uncanceled AIO requests on error in libkcapi's one-shot AIO path. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-416. Red Hat lists fixing advisory RHSA-2026:56985 with package libkcapi-main-1.5.1-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-71287] Blind SQL injection due to improper input sanitization
Blind SQL injection due to improper input sanitization. Red Hat rates this important (CVSS 8.8). Weakness: CWE-89.
High [CVE-2026-71281] Arbitrary Code Execution via Unsafe Deserialization in LoRA-GA and CorDA Modules
Arbitrary Code Execution via Unsafe Deserialization in LoRA-GA and CorDA Modules. Red Hat rates this important (CVSS 8.8). Weakness: CWE-502. Affected products named by the advisory: Lightspeed Core; Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-71267] Stack buffer overflow via overly long filenames
Stack buffer overflow via overly long filenames. Red Hat rates this important (CVSS 8.8). Weakness: CWE-120.
High [CVE-2026-71235] Arbitrary Code Execution via Unrestricted Script Execution
Arbitrary Code Execution via Unrestricted Script Execution. Red Hat rates this important (CVSS 8.8). Weakness: CWE-94. Affected products named by the advisory: Assisted Installer for Red Hat OpenShift Container Platform 2; Builds for Red Hat OpenShift; cert-manager Operator for Red Hat OpenShift; Compliance Operator; and 35 more. Affected products named by the advisory: Confidential Compute Attestation; Cryostat 4; Deployment Validation Operator; External Secrets Operator for Red Hat OpenShift; and 31 more.
High [CVE-2026-59679] Font Server Client encoding Out-Of-Bounds Read/Write
Font Server Client encoding[] Out-Of-Bounds Read/Write. Red Hat rates this important (CVSS 7.5). Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:55447 with package libXfont2-0:2.0.3-12.el9_8.3, libXfont2-0:2.0.6-5.el10_2.3, libXfont2-0:2.0.3-2.el8_10.3. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8.
High [CVE-2026-44950] Privilege Escalation via Heap Buffer Overflow in Font Server Client
Privilege Escalation via Heap Buffer Overflow in Font Server Client. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Red Hat lists fixing advisory RHSA-2026:55447 with package libXfont2-0:2.0.3-12.el9_8.3, libXfont2-0:2.0.6-5.el10_2.3, libXfont2-0:2.0.3-2.el8_10.3. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8.
High [CVE-2026-71202] Denial of Service via integer underflow in image cropping function
Denial of Service via integer underflow in image cropping function. Red Hat rates this important (CVSS 7.5). Weakness: CWE-191. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-66274] Denial of Service via unbounded type nesting
Denial of Service via unbounded type nesting. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected products named by the advisory: Red Hat AMQ Broker 7; Red Hat AMQ Clients; Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; and 2 more. Affected products named by the advisory: Red Hat build of Quarkus; Red Hat JBoss Enterprise Application Platform Expansion Pack.
High [CVE-2026-67589] Denial of Service via excessive memory allocation
Denial of Service via excessive memory allocation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected product named by the advisory: Red Hat AMQ Clients.
High [CVE-2026-66273] Denial of Service due to excessive allocation
Denial of Service due to excessive allocation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770.
High [CVE-2026-67588] Denial of Service via unbounded symbol value caching
Denial of Service via unbounded symbol value caching. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected product named by the advisory: Red Hat AMQ Clients.