Lucene search
K
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
Support
Settings
Sign in

SUSE CVE-2026-27205

🗓️ 24 Feb 2026 00:24:03Reported by Suse CVEType 
susecve
 susecve🔗 www.suse.com

Flask 3.1.2 and earlier may expose cached session data via Vary: Cookie; fixed in 3.1.3.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - IoT Component uses multiple third party dependencies which is vulnerable to multiple CVEs.
1 Apr 202607:22
–ibm
IBM Security Bulletins		Security Bulletin:Flask Vary Cookie Header Vulnerability: Use of Cache Containing Sensitive Information Fixed in 3.1.3
4 May 202612:50
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite uses flask-3.1.2-py3-none-any.whl which is vulnerable to CVE-2026-27205.
6 Apr 202618:34
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a Use of Cache Containing Sensitive Information in Flask [CVE-2026-27205]
18 Jun 202618:31
–ibm
IBM Security Bulletins		Security Bulletin: Investigation Assistant App for IBM QRadar SIEM is vulnerable to using components with known vulnerabilities
6 Apr 202617:16
–ibm
IBM Security Bulletins		Security Bulletin: Location Service for ESRI Component uses cryptography-46.0.3, flask-3.1.2 and werkzeug-3.1.5 library which were vulnerable to CVE-2026-26007, CVE-2026-27205 and CVE-2026-27199 respectively
30 Mar 202615:08
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in flask-3.1.2-py3-none-any.whl
1 Jun 202617:08
–ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities are addressed with IBM Process Mining 2.1.1
31 Mar 202616:18
–ibm
IBM Security Bulletins		Security Bulletin: Maximo AI Service uses qs-6.14.1.tgz and flask-3.0.3-py3-none-any.whl which is vulnerable to CVE-2026-2391 and CVE-2026-27205.
6 Apr 202613:58
–ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Scheduler Optimizer uses flask-3.1.2-py3-none-any.whl which is vulnerable to CVE-2026-27205
7 May 202614:00
–ibm
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
OpenSUSE Leap15.6anypython311-flask2.3.2-150400.3.9.1python311-Flask-2.3.2-150400.3.9.1.noarch.rpm
SUSE Linux Enterprise Desktop15.7anypython311-flask2.3.2-150400.3.9.1python311-Flask-2.3.2-150400.3.9.1.noarch.rpm
SUSE Linux Enterprise Server15.4anypython311-flask2.3.2-150400.3.9.1python311-Flask-2.3.2-150400.3.9.1.noarch.rpm
SUSE Linux Enterprise Server15.7anypython311-flask2.3.2-150400.3.9.1python311-Flask-2.3.2-150400.3.9.1.noarch.rpm
SUSE Linux Enterprise Server for SAP applications15.7anypython311-flask2.3.2-150400.3.9.1python311-Flask-2.3.2-150400.3.9.1.noarch.rpm
OpenSUSE Tumbleweed–anypython311-flask3.1.3-1.1python311-Flask-3.1.3-1.1.noarch.rpm
OpenSUSE Leap15.6anypython311-flask-doc2.3.2-150400.3.9.1python311-Flask-doc-2.3.2-150400.3.9.1.noarch.rpm
OpenSUSE Tumbleweed–anypython311-flask-doc3.1.3-1.1python311-Flask-doc-3.1.3-1.1.noarch.rpm
OpenSUSE Tumbleweed–anypython312-flask3.1.3-1.1python312-Flask-3.1.3-1.1.noarch.rpm
OpenSUSE Tumbleweed–anypython312-flask-doc3.1.3-1.1python312-Flask-doc-3.1.3-1.1.noarch.rpm
Rows per page

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
26 Jun 2026 02:23Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
EPSS0.00374
Flask frameworkcached session datavary cookie headerweb caching riskversion 3.1.3
0