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Vulnerability · Published Aug 18, 2026 · Assigned by redhat

CVE-2026-73834Must-gather: must-gather: embedded secret data in acm wrapper crs collected without redaction

Medium 5.5

In plain English

A medium-severity security flaw in Red Hat Advanced Cluster Management for Kubernetes 2.11 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 98.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A flaw was found in the must-gather component of Red Hat Advanced Cluster Management for Kubernetes. Certain ACM wrapper Custom Resources that embed Secret data are collected without redaction. When an administrator runs must-gather, credentials and tokens are captured in cleartext in the resulting archive, potentially exposing sensitive information to anyone with access to the archive.

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.11 see references
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.13 see references
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.14 see references
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.15 see references
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 see references
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 see references

Weakness: CWE-312 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References