{"id":"CVE-2023-26150","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-26150","generatedAt":"2026-10-28T03:55:33.504Z","title":"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…","description":"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.\r\r**Note:**\r\rThis issue is a result of missing checks for services that require an active session.","published":"2023-10-03T05:15:50.000Z","lastModified":"2026-06-17T05:42:47.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-287"],"affected":["freeopcua/opcua-asyncio"],"epss":{"score":0.00524,"percentile":0.44275,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121","tags":["Exploit","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a","tags":["Patch"],"source":"report@snyk.io"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513","tags":["Patch"],"source":"report@snyk.io"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/issues/1014","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/pull/1015","tags":["Patch"],"source":"report@snyk.io"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96","tags":["Product","Release Notes"],"source":"report@snyk.io"},{"url":"https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435","tags":["Exploit","Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/issues/1014","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/pull/1015","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96","tags":["Product","Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435","tags":["Exploit","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26150","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}