Medium severity · published Oct 5, 2026
CVE-2026-71299
Maestro: maestro: rest api write endpoints registered without authentication middleware
6.5
CVSS
0.3%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Multicluster Engine for Kubernetes · Red Hat
All versions, or not specified · source: vendor
Affected product
ME
Multicluster Engine for Kubernetes
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71299
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71299
vdb-entry
https://access.redhat.com/security/cve/CVE-2026-71299
issue-tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2511520
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