pypi package report

Is eventlet safe?

3 known vulnerabilities, worst severity MODERATE.

// reach

9 direct dependencies

2 carry known advisories, worst HIGH

21 packages depend on it

an advisory here reaches each of them

Create a free accountfor every dependency path, dependent and what to upgrade
// ai model usage

No published models are known to use this package.


cvss
6.3
medium

CVSS v4.0 base score out of 10

epss
0.42%
medium

chance of exploitation in 30 days, 36th percentile of all CVEs

xyz score
not scored

CyberXYZ composite out of 10

fig. 01 — GHSA-hw6f-rjfj-j7j7, the advisory selected below

// 3 advisories

GHSA-hw6f-rjfj-j7j7

MODERATEGitHub ratingCVE-2025-58068
// impact

The Eventlet WSGI parser is vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer sections.

This vulnerability could enable attackers to:

  • Bypass front-end security controls
  • Launch targeted attacks against active site users
  • Poison web caches
// patches

Problem has been patched in eventlet 0.40.3.

The patch just drops trailers. If a backend behind eventlet.wsgi proxy requires trailers, then this patch BREAKS your setup.

// workarounds

Do not use eventlet.wsgi facing untrusted clients.

// references
// cvss v4.0 vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Attack vector
Network
Attack complexity
Low
Attack requirements
Present
Privileges required
None
User interaction
None
Confidentiality (vulnerable system)
None
Integrity (vulnerable system)
None
Availability (vulnerable system)
None
Confidentiality (subsequent systems)
Low
Integrity (subsequent systems)
Low
Availability (subsequent systems)
None

Checked 2026-11-06 at 22:26 UTC. The most recent advisory here was published 2025-08-29. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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