Alerts This Week
Warning Icon 1 1,153
Alerts This Week
Warning Icon 1 1,153

openSUSE 15.4 python-Flask Low Risk Data Leak CVE-2026-27205

suse
Calendar Grey March 9, 2026
Dist Suse Esm H88
A significant update for python-Flask on openSUSE has been released to address a potential information exposure issue linked to CVE-2026-27205.
An update that solves one vulnerability can now be installed.

Summary

## This update for python-Flask fixes the following issue: * CVE-2026-27205: information disclosure due to Flask session not adding the `Vary: Cookie` header (bsc#1258700). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-849=1 * openSUSE Leap 15.6 zypper in -t patch openSUSE-SLE-15.6-2026-849=1 * Python 3 Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-849=1 ## Package List: * openSUSE Leap 15.4 (noarch) * python311-Flask-2.3.2-150400.3.9.1 * python311-Flask-doc-2.3.2-150400.3.9.1 * openSUSE Leap 15.6 (noarch) * python311-Flask-2.3.2-150400.3.9.1

Topics%20covered

Topics Covered

security advisory moderate security update information disclosure OpenSUSE python-flask

References

* bsc#1258700

Cross-

* CVE-2026-27205

CVSS scores:

* CVE-2026-27205 ( SUSE ): 6.0

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

* CVE-2026-27205 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

* CVE-2026-27205 ( NVD ): 2.3

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-27205 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected Products:

* openSUSE Leap 15.4

* openSUSE Leap 15.6

* Python 3 Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

Announcement ID: SUSE-SU-2026:0849-1
Release Date: 2026-03-09T10:13:48Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security update information disclosure OpenSUSE python-flask

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here