CVE-2026-73834 Must-gather: must-gather: embedded secret data in acm wrapper crs collected without redaction
Red Hat Advanced Cluster Management exposes cleartext credentials in must-gather archives due to missing redaction of embedded secret data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73834?
CVE-2026-73834 is a medium-severity vulnerability in Red Hat Advanced Cluster Management for Kubernetes 2.11, published on 18 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-312
Which versions are affected by CVE-2026-73834?
How do I fix CVE-2026-73834?
No fix has been published for CVE-2026-73834 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-73834 being exploited?
There is no known exploitation of CVE-2026-73834 in the wild and no public exploit code.
Sources
Also known as GHSA-8m45-79jm-xw59.