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SUSE Python Mistune Moderate XSS Risk Advisory 2026-2949-1

suse
Calendar Grey July 14, 2026
Scroller Suse
Solve XSS risk in python-mistune with SUSE's latest moderate update. Ensure system security today.
A security update for python-mistune addresses CVE-2026-44898, a vulnerability that can lead to XSS due to improper HTML input handling, affecting several SUSE products.

Summary

## This update for python-mistune fixes the following issue * CVE-2026-44898: improper sanitization of user-supplied HTML input in `render_toc_ul` can lead to XSS (bsc#1265052). ## 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: * Python 3 Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-2949=1 * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-2949=1 ## Package List: * Python 3 Module 15-SP7 (noarch) * python311-mistune-2.0.5-150400.11.8.1 * openSUSE Leap 15.4 (noarch) * python311-mistune-2.0.5-150400.11.8.1

Topics%20covered

Topics Covered

security advisory moderate update SuSE cross site scripting python-mistune

References

* bsc#1265052

Cross-

* CVE-2026-44898

CVSS scores:

* CVE-2026-44898 ( SUSE ): 5.3

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

* CVE-2026-44898 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

* CVE-2026-44898 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Products:

* openSUSE Leap 15.4

* 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

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-44898.html

* https://bugzilla.suse.com/show_bug.cgi?id=1265052

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2949-1
Release Date: 2026-07-14T09:23:51Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate update SuSE cross site scripting python-mistune

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