CVE-2023-26150

Versions of the package asyncua before 0.9.96 are vulnerable to Improper Authentication such that it is possible to access Address Space without encryption and authentication. **Note:** This issue is a result of missing checks for services that require an active session.

• CWE-287
• CWE-287

• https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121Exploit, Third Party Advisory
• https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844aPatch
• https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513Patch
• https://github.com/FreeOpcUa/opcua-asyncio/issues/1014Exploit, Issue Tracking, Third Party Advisory
• https://github.com/FreeOpcUa/opcua-asyncio/pull/1015Patch
• https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96Product, Release Notes
• https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435Exploit, Patch, Third Party Advisory
• https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121Exploit, Third Party Advisory
• https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844aPatch
• https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513Patch
• https://github.com/FreeOpcUa/opcua-asyncio/issues/1014Exploit, Issue Tracking, Third Party Advisory
• https://github.com/FreeOpcUa/opcua-asyncio/pull/1015Patch
• https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96Product, Release Notes
• https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435Exploit, Patch, Third Party Advisory

Published

Oct 3, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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