Red Hat Security Advisory: Satellite 6.16.11 Async Update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 9.0 Critical.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 1.1% chance of exploitation in 30 days – higher than 67% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 20 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red HatRed Hat Ansible Automation Platform 2.5 for RHEL 8 | Affected– | Fixed in– |
| Red HatRed Hat Ansible Automation Platform 2.5 for RHEL 9 | Affected– | Fixed in– |
| Red HatRed Hat Ansible Automation Platform 2.6 for RHEL 9 | Affected– | Fixed in– |
| Red HatRed Hat Satellite 6.16 for RHEL 8 | Affected– | Fixed in– |
| Red HatRed Hat Satellite 6.16 for RHEL 9 | Affected– | Fixed in– |
| Red HatRed Hat Satellite 6.17 for RHEL 9 | Affected– | Fixed in– |
Description
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): * yggdrasil-worker-forwarder: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) * yggdrasil-worker-forwarder: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) * yggdrasil-worker-forwarder: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) * python-pulpcore: pulpcore: relative_path_validator bypass via directory traversal in FilesystemExport (CVE-2026-12701)
References
- access.redhat.com/errata/RHSA-2026:42082 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2467822 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2480756 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2484207 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2490703 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_42082.json (opens in a new tab)