CVE-2023-41419

CRITICALNVD 9.89.8—

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 88.5%
KEV: Not listed

Published

September 25, 2023

Last Modified

November 25, 2025

Advisory Details (3)

Auto-updated May 24, 2026

Patch available. Sources: github_commit.

generic Patch Available

[SECURITY] [DLA 4377-1] python-gevent security update

https://lists.debian.org/debian-lts-announce/2025/11/msg00020.html

generic

Vulnerability in gevent.pywsgi.WSGIServer · Issue #1989 · gevent/gevent · GitHub

https://github.com/gevent/gevent/issues/1989

github_commit

commit 2f53c851eaf9 (gevent/gevent)

Fix landed in gevent/gevent commit 2f53c851eaf9 — awaiting tagged release

https://github.com/gevent/gevent/commit/2f53c851eaf926767fbac62385615efd4886221c

Patch Availability(6)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	python-gevent-0:1.2.2-5.el8_10	2024-11-05	redhat
redhat	python-gevent-0:1.2.2-5.el8_8	2024-10-15	redhat
redhat	python-gevent-0:1.2.2-5.el8_4	2024-10-15	redhat
redhat	python-gevent-0:1.2.2-5.el8_2	2024-10-08	redhat
redhat	python-gevent-0:1.2.2-5.el8_6	2024-10-01	redhat
redhat	python-gevent-0:21.1.2-2.el9ost	2023-11-21	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
gevent	0.10.0 ... 23.7.0 (80 versions)	23.9.0	—

All Vendor Advisories

(7)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 17:13 UTCEG score recompute
2026-05-24 17:13 UTCVendor advisory

Frequently asked(5)

What is CVE-2023-41419?

CVE-2023-41419 is a critical vulnerability published on September 25, 2023. An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component.

When was CVE-2023-41419 disclosed?

CVE-2023-41419 was first published in the National Vulnerability Database on September 25, 2023, with the most recent update on November 25, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-41419 actively exploited?

CVE-2023-41419 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-41419?

CVE-2023-41419 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-41419?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-41419, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-41419

Explore →

Is Your Infrastructure Affected by CVE-2023-41419?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2023-41419

📅 Published

🔄 Last Modified

📋 Advisory Details (3)