---
id: CVE-2023-41419
aliases:
  - GHSA-x7m3-jprg-wc5g
  - PYSEC-2023-177
title: Gevent allows remote attacker to escalate privileges
summary: Gevent allows remote attacker to escalate privileges
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: gevent
product: gevent
ecosystem: pip
affected:
  - gevent < 23.9.0
patched:
  - gevent 23.9.0
published: '2023-09-25'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:50:03.449280541Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-x7m3-jprg-wc5g'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-41419'
  - url: 'https://github.com/gevent/gevent/issues/1989'
  - url: >-
      https://github.com/gevent/gevent/commit/2f53c851eaf926767fbac62385615efd4886221c
  - url: 'https://github.com/gevent/gevent'
  - url: >-
      https://github.com/pypa/advisory-database/tree/main/vulns/gevent/PYSEC-2023-177.yaml
  - url: 'https://lists.debian.org/debian-lts-announce/2025/11/msg00020.html'
  - url: 'http://www.gevent.org/changelog.html'
tags:
  - osv
  - pip
epss: 0.01345
epssPercentile: 0.7018
ingestedAt: '2026-09-12T03:13:01.739Z'
---

## Overview

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

## Affected packages

- `gevent < 23.9.0`

## Remediation

Upgrade to a patched release:

- `gevent 23.9.0`