# CVE-2022-25304: PYSEC-2026-888 - Uncontrolled Resource Consumption in asyncua and opcua

Source: https://junglewise.ai/threats/cve-2022-25304-uncontrolled-resource-consumption-in-asyncua-and-opcua  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-06  
License: CC BY 4.0 with a link back

CVE-2022-25304 · Severity: low · CVSS 3.1 · Published 2026-07-06

Uncontrolled Resource Consumption in asyncua and opcua

Technologies: [asyncua (PyPI)](https://junglewise.ai/threats/technologies/asyncua). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2022-25304 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-25304 being exploited in the wild.

**How severe is CVE-2022-25304?** Low severity, with a CVSS score of 3.1, published 6 July 2026.

**Which products and versions are affected?** asyncua (PyPI) ECOSYSTEM:introduced=0,fixed=0.9.96; opcua (PyPI) ECOSYSTEM:introduced=0,last_affected=0.98.13.

**Is there a fix for CVE-2022-25304?** Yes. asyncua (PyPI): upgrade to 0.9.96 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2022-25304?** Check whether you run asyncua (PyPI) or opcua (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- asyncua (PyPI): upgrade to 0.9.96 or later

  ```sh
  pip install "asyncua>=0.9.96"
  ```


## Affected products

- asyncua (PyPI) ECOSYSTEM:introduced=0,fixed=0.9.96
- opcua (PyPI) ECOSYSTEM:introduced=0,last_affected=0.98.13

## Identifiers

- CVE-2022-25304
- GHSA-mfpj-3qhm-976m
- PYSEC-2026-2385
- PYSEC-2026-888

## Related threats

- [asyncua vulnerable to denial of service via infinite loop](https://junglewise.ai/threats/cve-2023-26151-asyncua-vulnerable-to-denial-of-service-via-infinite-loop)
- [asyncua improper authentication in Address Space access](https://junglewise.ai/threats/cve-2023-26150-asyncua-improper-authentication-in-address-space-access)