CVE-2026-14450

CRITICAL 9.9CVE-2026-14450 · Published 10/08/2026 · updated 27/08/2026

In short

CVE-2026-14450 is a CRITICAL (CVSS 9.9) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.69%, higher than 52.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

A flaw was found in the MaaS API. This vulnerability allows any pod within the cluster to bypass the Kuadrant AuthPolicy gateway by forging HTTP headers, specifically `X-MaaS-Username` and `X-MaaS-Group`, which are trusted verbatim. This lack of first-party authentication enables an attacker to gain unauthorized access and escalate privileges. The concrete consequences include the ability to mint Kubernetes ServiceAccount tokens in other tenants' namespaces, revoke API keys, and exfiltrate sensitive model access configuration.

References

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