CVE-2026-52832

Nuclio is a "Serverless" framework for Real-Time Events and Data Processing. Prior to version 1.16.5, Nuclio Dashboard exposes POST /api/functions without authentication by default (NOP auth mode). The spec.handler field (e.g., mymodule:myfunction) is parsed by functionconfig.ParseHandler() which splits on : only — no path validation is applied to the module portion. This issue has been patched in version 1.16.5.

• CWE-22

• https://github.com/nuclio/nuclio/commit/2a55d3a8bd4d49226cb4742020303f5bf2a0931d
• https://github.com/nuclio/nuclio/pull/4143
• https://github.com/nuclio/nuclio/releases/tag/1.16.5
• https://github.com/nuclio/nuclio/security/advisories/GHSA-wpcj-rmv4-86qg
• https://github.com/nuclio/nuclio/security/advisories/GHSA-wpcj-rmv4-86qg

Published

Sep 2, 2026

Last Modified

Sep 9, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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