CVE-2023-26151

Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter into an infinite loop and consume excessive memory.

• CWE-400
• CWE-835

• https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8Exploit, Third Party Advisory
• https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262Patch
• https://github.com/FreeOpcUa/opcua-asyncio/issues/1013Exploit, Issue Tracking, Third Party Advisory
• https://github.com/FreeOpcUa/opcua-asyncio/pull/1039Patch
• https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96Product, Release Notes
• https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709Exploit, Patch, Third Party Advisory
• https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8Exploit, Third Party Advisory
• https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262Patch
• https://github.com/FreeOpcUa/opcua-asyncio/issues/1013Exploit, Issue Tracking, Third Party Advisory
• https://github.com/FreeOpcUa/opcua-asyncio/pull/1039Patch
• https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96Product, Release Notes
• https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709Exploit, 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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