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RHEL 9 : Satellite 6.18.9 Async Update (Important) (RHSA-2026:63386)
high Nessus Plugin ID 342776
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:63386 advisory.Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity to provide public Internet access to their servers or other client systems. It performs provisioning and configuration management of predefined standard operating environments.
Security Fix(es):
* python3.12-aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade (CVE-2026-69243)
* python3.12-aiohttp: AIOHTTP: Denial of Service via malformed HTTP responses (CVE-2026-69244)
* openvox-server: Eclipse Jetty: Information disclosure due to retained HTTP/1.1 trailers across connections (CVE-2026-10051)
* openvox-server: jackson-core: Denial of Service via incomplete fix in async JSON parser (CVE-2026-68494)
* python3.12-aiohttp: AIOHTTP: Arbitrary code execution via untrusted input to CookieJar.load() (CVE-2026-34993)
* ansible-core: argument injection in ansible-galaxy role install leads to arbitrary code execution (CVE-2026-11332)
* puppetserver: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512)
* ansible-core: argument injection in ansible-galaxy collection install via git clone (incomplete fix for CVE-2026-11332) (CVE-2026-16493)
* rubygem-jwt: ruby-jwt: Authentication bypass due to empty key in HMAC verification (CVE-2026-45363)
Bug Fix(es):
* Satellite 6.17 upgrade, foreman-installer reports errors in /var/log/dnf.rpm.log Selected scenario is DISABLED, can not continue (SAT-48693)
* Non-default umask breaks IoP assets directory permissions (SAT-48690)
* Unable to upgrade to Red Hat Satellite 6.17 as rubygem-foreman_maintain is not getting updated after running satellite-maintain self-upgrade (SAT-48692)
* Remove Orphan fails with package_signing_fingerprint cannot be nil error after upgrade to Red Hat satellite 6.18.2 (SAT-48691)
* Issue when creating filter in content view using openssl package (SAT-48697)
* Unable to save bookmark report under Hosts All Hosts Compliance Reports (SAT-49372)
* Sync memory consumption too high in pathological cases (SAT-46099)
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://access.redhat.com/errata/RHSA-2026:63386
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2484099
https://bugzilla.redhat.com/show_bug.cgi?id=2485379
https://bugzilla.redhat.com/show_bug.cgi?id=2492015
https://bugzilla.redhat.com/show_bug.cgi?id=2499928
https://bugzilla.redhat.com/show_bug.cgi?id=2500739
https://bugzilla.redhat.com/show_bug.cgi?id=2503724
https://bugzilla.redhat.com/show_bug.cgi?id=2510825
https://bugzilla.redhat.com/show_bug.cgi?id=2510831
https://bugzilla.redhat.com/show_bug.cgi?id=2511026
https://issues.redhat.com/browse/SAT-46099
https://issues.redhat.com/browse/SAT-48690
https://issues.redhat.com/browse/SAT-48691
https://issues.redhat.com/browse/SAT-48692
https://issues.redhat.com/browse/SAT-48693
https://issues.redhat.com/browse/SAT-48697
Plugin Details
Severity: High
ID: 342776
File Name: redhat-RHSA-2026-63386.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 9/4/2026
Updated: 9/4/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.6
Percentile: 98.4
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N
CVSS Score Source: CVE-2026-10051
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.7
Threat Score: 7.7
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2026-68494
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:ansible-core, p-cpe:/a:redhat:enterprise_linux:ansible-test, p-cpe:/a:redhat:enterprise_linux:openvox-server, p-cpe:/a:redhat:enterprise_linux:pulpcore-obsolete-packages, p-cpe:/a:redhat:enterprise_linux:python3.12-aiohttp, p-cpe:/a:redhat:enterprise_linux:python3.12-pulpcore, p-cpe:/a:redhat:enterprise_linux:rubygem-jwt
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/3/2026
Vulnerability Publication Date: 5/18/2026
Reference Information
CVE: CVE-2026-10051, CVE-2026-11332, CVE-2026-16493, CVE-2026-34993, CVE-2026-45363, CVE-2026-54512, CVE-2026-68494, CVE-2026-69243, CVE-2026-69244