Vulnerability · Published Oct 5, 2026 · Assigned by redhat
CVE-2026-71299Maestro: maestro: rest api write endpoints registered without authentication middleware
Medium 6.5
In plain English
A medium-severity missing authentication in Multicluster Engine for Kubernetes 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 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 76.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw was found in Maestro. Its REST API write endpoints were registered without proper authentication middleware. This allows a remote attacker to perform unauthorized write operations, such as creating, modifying, or deleting consumers and resource bundles. This could lead to data integrity issues or a denial of service (DoS).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Multicluster Engine for Kubernetes | see references |
| Red Hat | Multicluster Engine for Kubernetes | see references |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://access.redhat.com/security/cve/CVE-2026-71299 vdb-entry, x_refsource_REDHAT
- RHBZ#2511520 issue-tracking, x_refsource_REDHAT