Advisory severityMedium4.3Red Hat Linux

Medium [CVE-2026-81842] Authorization bypass via missing destination folder permission check

This medium-severity Red Hat Linux advisory covers CVE-2026-81842; related products: Multicluster Global Hub, Red Hat Advanced Cluster Management for Kubernetes 2, Red Hat Ceph Storage 7.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-81842 Source published Sep 29, 2026Source updated Sep 29, 2026

VulniPulse record published Sep 30, 2026Record updated Oct 2, 2026

CVE-2026-81842

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Summary

Authorization bypass via missing destination folder permission check. Red Hat rates this moderate (CVSS 4.3).

Weakness: CWE-639. Red Hat lists fixing advisory RHSA-2026:74164 with package grafana13-2-main-13.2.1-0.8.hum1, grafana13-1-main-13.1.6-0.5.hum1, grafana12-4-main-12.4.12-0.2.hum1.

Affected products named by the advisory: Multicluster Global Hub; Red Hat Advanced Cluster Management for Kubernetes 2; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; and 6 more.

Affected products named by the advisory: Red Hat Ceph Storage 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 6 days ago·verify at source

Fixed versions

grafana13-2-main-13.2.1-0.8.hum1
grafana13-1-main-13.1.6-0.5.hum1
grafana12-4-main-12.4.12-0.2.hum1
RHSA-2026:74164

Official advisory · high-confidence parse· fetched 6 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 6 days ago·verify at source

Discussion(0)

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