Red Hat Linux Security Advisories & CVEs
5353 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
Medium [CVE-2026-67412] Unauthorized cross-vhost message access via missing Federation upstream authorization
Unauthorized cross-vhost message access via missing Federation upstream authorization. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-639. Red Hat lists fixing advisory RHSA-2026:67552 with package rabbitmq-server4-3-main-4.3.6-1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; and 1 more. Affected products named by the advisory: Red Hat OpenStack Platform 18.0.
Medium [CVE-2026-67242] Authentication bypass via improper validation of floating-point token expiration timestamps
Authentication bypass via improper validation of floating-point token expiration timestamps. Red Hat rates this moderate (CVSS 4.8). Weakness: CWE-613. Red Hat lists fixing advisory RHSA-2026:67552 with package rabbitmq-server4-3-main-4.3.6-1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; and 1 more. Affected products named by the advisory: Red Hat OpenStack Platform 18.0.
Medium [CVE-2026-67241] Unauthorized message routing via missing alternate-exchange permission check
Unauthorized message routing via missing alternate-exchange permission check. Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-639. Red Hat lists fixing advisory RHSA-2026:67552 with package rabbitmq-server4-3-main-4.3.6-1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; and 1 more. Affected products named by the advisory: Red Hat OpenStack Platform 18.0.
Medium [CVE-2026-66071] Denial of service via atom exhaustion in OAuth2 JWT scope parsing
Denial of service via atom exhaustion in OAuth2 JWT scope parsing. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-770. Red Hat lists fixing advisory RHSA-2026:67552 with package rabbitmq-server4-3-main-4.3.6-1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; and 1 more. Affected products named by the advisory: Red Hat OpenStack Platform 18.0.
Medium [CVE-2026-67236] Information disclosure via insecure authentication cookies
Information disclosure via insecure authentication cookies. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-312. Red Hat lists fixing advisory RHSA-2026:67552 with package rabbitmq-server4-3-main-4.3.6-1.hum1. Affected product named by the advisory: Red Hat Hardened Images.
Medium [CVE-2026-100230] Arbitrary code execution via path traversal in drag-and-drop file transfer
Arbitrary code execution via path traversal in drag-and-drop file transfer. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-22.
Medium [CVE-2026-96448] FGAP v2 composite-blind role mapping allows privilege escalation
FGAP v2 composite-blind role mapping allows privilege escalation. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-285. Affected product named by the advisory: Red Hat Build of Keycloak.
Medium [CVE-2026-97846] Standard Token Exchange V2 bypasses mTLS holder-of-key binding
Standard Token Exchange V2 bypasses mTLS holder-of-key binding. Red Hat rates this moderate (CVSS 6.8). Weakness: CWE-287. Affected product named by the advisory: Red Hat Build of Keycloak.
Medium [CVE-2026-51773] Information disclosure via unvalidated external image location URI
Information disclosure via unvalidated external image location URI. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-201. Affected products named by the advisory: Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0.
Medium [CVE-2026-97567] prevent race between disconnect and rtx
prevent race between disconnect() and rtx. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-366. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-97560] fix one-byte OOB read in smb2_parse_native_symlink
fix one-byte OOB read in smb2_parse_native_symlink(). Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel.
Medium [CVE-2026-97578] guard VPU981 AV1 divisor and tile buffer
guard VPU981 AV1 divisor and tile buffer. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-369.
Medium [CVE-2026-97541] don't store usb_device_id
don't store usb_device_id. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825. 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: kernel-rt.
Medium [CVE-2026-98026] properly convert mglist to rcu
properly convert mglist to rcu. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825. 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: kernel-rt.
Medium [CVE-2026-97553] lock the healthmon when inserting unmount event
lock the healthmon when inserting unmount event. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-413.
Medium [CVE-2026-98013] clamp quantum in change path
clamp quantum in change path. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-606.
Medium [CVE-2026-98018] serialize probe with bus removal
serialize probe with bus removal. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825.
Medium [CVE-2026-97544] don't leak dqacct if rhashtable insertion fails
don't leak dqacct if rhashtable insertion fails. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel.
Medium [CVE-2026-97536] Fix use-after-free of qpair work on queue teardown
Fix use-after-free of qpair work on queue teardown. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-825. 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: kernel-rt.
Medium [CVE-2026-97592] Fix missing scrub of temp buffers with AES ctr and gcm algorithm
Fix missing scrub of temp buffers with AES ctr and gcm algorithm. Red Hat rates this low (CVSS 5.5). Weakness: CWE-459. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.