CVE-2026-66878
High
Description
A flaw was found in multicloud-operators-subscription. A privileged user, specifically a namespace administrator capable of creating Channel and Subscription resources, can exploit this vulnerability. By manipulating the Channel.Spec.SecretRef.Namespace field, the user can cause the system to copy sensitive Secret contents from other namespaces into their own, leading to information disclosure.
SeverityHigh
CVSS7.7
Exploit probability—
ProductAcm 2.11
PublishedAug 12, 2026
First seenAug 12, 2026
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| acm 2.11 | No range specified | — |
| acm 2.13 | No range specified | — |
| acm 2.14 | No range specified | — |
| acm 2.15 | No range specified | — |
| acm 2.16 | No range specified | — |
| acm 2.17 | No range specified | — |
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