Detections
Analytics
RHEL 10 / 8 / 9 : Satellite 6 Client Update (Important) (RHSA-2026:94063)
medium Nessus Plugin ID 375417
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 10 / 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:94063 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):
* foreman_ygg_worker: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)
* yggdrasil: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)
* foreman_ygg_worker: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)
* yggdrasil: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)
* foreman_ygg_worker: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)
* yggdrasil: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)
* foreman_ygg_worker: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859)
* yggdrasil: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859)
* foreman_ygg_worker: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)
* yggdrasil: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)
* foreman_ygg_worker: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)
* yggdrasil: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)
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 foreman_ygg_worker and / or yggdrasil packages.See Also
https://access.redhat.com/errata/RHSA-2026:94063
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: Medium
ID: 375417
File Name: redhat-RHSA-2026-94063.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/3/2026
Updated: 11/3/2026
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: Medium
Score: 4.3
Percentile: 53.44
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 9.4
Temporal Score: 7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
CVSS Score Source: CVE-2026-56858
CVSS v3
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:foreman_ygg_worker, p-cpe:/a:redhat:enterprise_linux:yggdrasil
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 11/2/2026
Vulnerability Publication Date: 8/13/2026
Reference Information
CVE: CVE-2026-33818, CVE-2026-56853, CVE-2026-56858, CVE-2026-56859, CVE-2026-56860, CVE-2026-56862
RHSA: 2026:94063