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SUSE Libsoup2 Moderate HTTP Request Smuggling Vuln 2026-2654-1

suse
Calendar Grey June 26, 2026
Dist Suse Esm H88
Update for libsoup2 addresses a moderate threat with CVE-2026-1801 in SUSE systems. Immediate action is recommended.
An update that solves one vulnerability can now be installed.

Summary

## This update for libsoup2 fixes the following issue * CVE-2026-1801: HTTP Request Smuggling in soup_filter_input_stream_read_line() (bsc#1257649). ## 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: * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2654=1 * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-2654=1 ## Package List: * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64) * typelib-1_0-Soup-2_4-2.74.3-150600.4.36.1 * libsoup-2_4-1-debuginfo-2.74.3-150600.4.36.1 * libsoup-2_4-1-2.74.3-150600.4.36.1 * libsoup2-debugsource-2.74.3-150600.4.36.1 * libsoup2-devel-2.74.3-150600.4.36.1

Topics%20covered

Topics Covered

security advisory moderate SuSE patch http request smuggling libsoup2

References

* bsc#1257649

Cross-

* CVE-2026-1801

CVSS scores:

* CVE-2026-1801 ( SUSE ): 6.9

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

* CVE-2026-1801 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-1801 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-1801 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Products:

* Basesystem Module 15-SP7

* openSUSE Leap 15.6

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Real Time 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-2026-1801.html

* https://bugzilla.suse.com/show_bug.cgi?id=1257649

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2654-1
Release Date: 2026-06-26T12:23:06Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE patch http request smuggling libsoup2

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