Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.16.1 security update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 8.7 High · fixed in Red Hat package updates : patch Red Hat immutable-js soon.
Data as of 5 Nov 2026, 21:06 UTC
Sources agree
| CNA (GitHub_M) | CVSS 4.0 | 8.7 |
|---|---|---|
| ADP (redhat-SADP) | CVSS 3.1 | 8.8 |
- Patch
- Available – fixed in 5.1.5, 4.3.7, 3.8.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 6 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 5 Nov 2026.
What to do
Upgrade immutable-js to 5.1.5, 4.3.7 or 3.8.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
npmimmutable-jspkg:npm/immutable-jsOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should apply the Red Hat Advanced Cluster Management for Kubernetes 2.16.1 update, which includes the fix for this vulnerability. Before applying this update, ensure all previously released relevant errata are installed. Follow Red Hat's official guidance for applying updates as detailed in their knowledge base article. The vendor provides updated container images that should be deployed to remediate the issue.
Description
Red Hat Advanced Cluster Management for Kubernetes 2.16.1 includes updated container images with new features, enhancements, and bug fixes. This security update addresses a vulnerability identified as CVE-2026-29063. The advisory references a fix related to Thanos Compact deleting empty directories on non-standard S3 providers. The update is important for administrators managing Kubernetes clusters across cloud environments.
References
- access.redhat.com/errata/RHSA-2026:13847 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-29063 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13847.json (opens in a new tab)