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SUSE Python-Starlette Important Denial of Service Update 2026-22360-1

suse
Calendar Grey July 1, 2026
Dist Suse Esm H88
This important security update for python-starlette addresses multiple vulnerabilities in SUSE Linux. Install it promptly.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for python-starlette fixes the following issues * CVE-2026-48817: arbitrary HTTP method dispatched to `HTTPEndpoint` attributes via `getattr` (bsc#1268389). * CVE-2026-54282: request path that lacks a leading forward slash can lead to request.url.hostname manipulation (bsc#1268520). * CVE-2026-54283: urlencoded request body with an oversized data can lead to a denial of service (bsc#1268517). ## 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: * SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-1066=1 * SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-1066=1 ## Package List:

Topics%20covered

Topics Covered

security advisory SuSE DoS important HTTP manipulation python-starlette

References

* bsc#1268389

* bsc#1268517

* bsc#1268520

Cross-

* CVE-2026-48817

* CVE-2026-54282

* CVE-2026-54283

CVSS scores:

* CVE-2026-48817 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-48817 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-54282 ( SUSE ): 6.3

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

* CVE-2026-54282 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-54282 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-54282 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-54283 ( SUSE ): 8.7

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

* CVE-2026-54283 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22360-1
Release Date: 2026-06-24T21:38:49Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS important HTTP manipulation python-starlette

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