Detections
Analytics
RHEL 8 / 9 : Satellite 6.16.9 Async Update (Important) (RHSA-2026:27076)
high Nessus Plugin ID 321713
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:27076 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):
* python-pillow: Pillow: Denial of Service via decompression bomb in FITS image processing (CVE-2026-40192)
* yggdrasil-worker-forwarder: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)
* dynflow-utils: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)
* satellite:el8/yggdrasil-worker-forwarder: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)
* yggdrasil-worker-forwarder: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)
* yggdrasil-worker-forwarder: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
* satellite:el8/yggdrasil-worker-forwarder: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
* satellite:el8/yggdrasil-worker-forwarder: golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729)
* satellite:el8/yggdrasil-worker-forwarder: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)
* yggdrasil-worker-forwarder: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)
* yggdrasil-worker-forwarder: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)
* satellite:el8/yggdrasil-worker-forwarder: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)
* satellite:el8/yggdrasil-worker-forwarder: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)
* yggdrasil-worker-forwarder: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)
Bug Fix(es):
* orphan cleanup triggers CapsuleContent::UpdateContentCounts regardless of automatic_content_count_updates setting (SAT-45906)
* The custom repository fails to sync with the Capsule server, resulting in an error (SAT-44720)
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 dynflow-utils, python3.11-pillow and / or yggdrasil-worker-forwarder packages.See Also
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2418462
https://bugzilla.redhat.com/show_bug.cgi?id=2445356
https://bugzilla.redhat.com/show_bug.cgi?id=2449833
https://bugzilla.redhat.com/show_bug.cgi?id=2456333
https://bugzilla.redhat.com/show_bug.cgi?id=2456336
https://bugzilla.redhat.com/show_bug.cgi?id=2456338
https://bugzilla.redhat.com/show_bug.cgi?id=2456339
https://bugzilla.redhat.com/show_bug.cgi?id=2458856
https://issues.redhat.com/browse/SAT-44720
https://issues.redhat.com/browse/SAT-45906
Plugin Details
Severity: High
ID: 321713
File Name: redhat-RHSA-2026-27076.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 6/20/2026
Updated: 6/20/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 4.6
Vector: CVSS2#AV:L/AC:H/Au:M/C:C/I:C/A:C
CVSS Score Source: CVE-2026-32282
CVSS v3
Risk Factor: Medium
Base Score: 6.4
Temporal Score: 5.8
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
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-2026-40192
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:yggdrasil-worker-forwarder, p-cpe:/a:redhat:enterprise_linux:python-pillow, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:dynflow-utils, p-cpe:/a:redhat:enterprise_linux:python3.11-pillow
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: 6/18/2026
Vulnerability Publication Date: 12/2/2025
Reference Information
CVE: CVE-2025-61729, CVE-2026-25679, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-33186, CVE-2026-40192