Lucene search
+L
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Settings
Sign in

Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()

🗓️ 19 Apr 2026 08:01:53Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 5 Views

Incomplete mitigation of CVE-2026-4519 via action expansion enabling command injection in webbrowser.open().

Related
Detection
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image
27 Jul 202605:27
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to multiple Operator package issues
10 Jun 202618:06
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise Certified Container UBI updates
7 May 202613:38
–ibm
freebsd
FreeBSD		Python -- The webbrowser.open() API allows leading dashes
20 Mar 202600:00
–freebsd
freebsd
FreeBSD		python -- more webbrowser.open() command injection vulnerabilities
6 Apr 202600:00
–freebsd
attackerkb
ATTACKERKB		CVE-2026-4519
20 Mar 202615:08
–attackerkb
attackerkb
ATTACKERKB		CVE-2026-4786
13 Apr 202621:52
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1555)
13 Apr 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1556)
13 Apr 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2026-1557)
13 Apr 202600:00
–nessus
Rows per page
Vulners
Node
OR
microsoftazl3_python3_3.12.9-14Range<3.12.9-14
microsoftazl3_python3_3.12.9-13Range<3.12.9-14

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
10 Aug 2026 21:53Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.13.3 - 7.1
CVSS 47
EPSS0.00308
SSVC
incomplete mitigationcommand injectionwebbrowser open2026 4519
5