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Alerts This Week
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SUSE RMT-Server Important Denial of Service Issues 2026-1745-1

suse
Calendar Grey May 7, 2026
Dist Suse Esm H88
Update for rmt-server on SUSE addresses 10 important vulnerabilities to enhance security stability.
An update that solves 10 vulnerabilities can now be installed.

Summary

## This update for rmt-server fixes the following issues: Update to version 2.27. Security issues fixed: * CVE-2026-26961: rack: greedy multipart boundary parsing can lead to parser differentials and WAF bypass (bsc#1261398). * CVE-2026-26962: rack: improper unfolding of folded multipart headers can lead to downstream header injection and response splitting(bsc#1261471). * CVE-2026-34763: rack: unescaped regex interpolation of configured root path can lead to root directory disclosure (bsc#1261406). * CVE-2026-34785: rack: prefix matching logic can lead to the exposure of unintended files under the static root (bsc#1261417). * CVE-2026-34786: rack: URL-encoded path mismatch can lead to `header_rules` bypass (bsc#1261426). * CVE-2026-34826: rack: missing individual byte range limit checks when

Topics%20covered

Topics Covered

security advisory SuSE important service denial rmt-server

References

* bsc#1261388

* bsc#1261398

* bsc#1261406

* bsc#1261417

* bsc#1261426

* bsc#1261436

* bsc#1261447

* bsc#1261458

* bsc#1261466

* bsc#1261471

Cross-

* CVE-2026-26961

* CVE-2026-26962

* CVE-2026-34230

* CVE-2026-34763

* CVE-2026-34785

* CVE-2026-34786

* CVE-2026-34826

* CVE-2026-34829

* CVE-2026-34830

* CVE-2026-34831

CVSS scores:

* CVE-2026-26961 ( 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-2026-26961 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-26961 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-26961 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-26962 ( SUSE ): 6.3

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1745-1
Release Date: 2026-05-07T07:22:43Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important service denial rmt-server

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