Red Hat Security Advisory: RHACS 4.9.11 security and bug fix update
Affects Red Hat RHACS 4.9.11Source GCVE Database
Not known to be exploited · CVSS 7.8 High · fixed in Red Hat package updates : patch Red Hat os soon.
Data as of 27 Oct 2026, 05:11 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.27.0-rc.2, 1.26.5, 1.25.12
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 8 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
Upgrade os to 1.27.0-rc.2, 1.26.5 or 1.25.12.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard libraryos | Affected
| Fixed in
|
| Go standard libraryos | Affected
| Fixed in
|
| Go standard libraryos | Affected
| Fixed in
|
Goospkg:golang/osOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
See the release notes (link in the references section) for a description of the fixes and enhancements in this particular release.
References
- access.redhat.com/errata/RHSA-2026:59202 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-39822 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-42504 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-69152 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_advanced_cluster_security_for_kubernetes/4.9/html-single/release_notes/index (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_59202.json (opens in a new tab)