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 i
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | asyncua | < 0.9.96 | 0.9.96 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-26150
- https://github.com/FreeOpcUa/opcua-asyncio/issues/1014
- https://github.com/FreeOpcUa/opcua-asyncio/pull/1015
- https://github.com/FreeOpcUa/opcua-asyncio/commit/2be7ce80df05de8d6c6ae1ebce6fa2bb7147844a
- https://github.com/FreeOpcUa/opcua-asyncio/commit/b4106dfd5037423c9d1810b48a97296b59cde513
- https://gist.github.com/artfire52/84f7279a4119d6f90381ac49d7121121
- https://github.com/FreeOpcUa/opcua-asyncio
- https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96
- https://github.com/pypa/advisory-database/tree/main/vulns/asyncua/PYSEC-2023-189.yaml
- https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673435
- https://github.com/advisories/GHSA-2894-qcqf-g23g
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-287- Platform
- Python (PyPI)
- Package
asyncua- Disclosed
- 03.10.2023
- Updated
- 11.10.2026 12:19
Sources and licenses
OSV / GitHub Advisory Database - GHSA-2894-qcqf-g23g - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2023-189 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: asyncua
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 08.2022 10.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 3
Disclosures per year
- 2022: 1
- 2023: 2
- 2024: 0
- 2025: 0
- 2026: 0
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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 i this entry
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