SUSE SLES15 Security Update : rmt-server (SUSE-SU-2026:1964-1)

high Nessus Plugin ID 315278

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1964-1 advisory.

This update for rmt-server fixes the following issues

- CVE-2026-26961: rack: mismatch in header handling can allow to smuggle multipart content (bsc#1261398).
- CVE-2026-26962: rack: improper unfolding of folded multipart headers can lead to header injection or response splitting (bsc#1261471).
- CVE-2026-34230: rack: crafted Accept-Encoding header can cause a denial of service (bsc#1261388).
- CVE-2026-34763: rack: failing of the prefix stripping can lead to information disclosure (bsc#1261406).
- CVE-2026-34785: rack: prefix matching can expose 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: multipart byte range processing can allow denial of service (bsc#1261436).
- CVE-2026-34829: rack: multipart parsing without `Content-Length` header allows unbounded chunked file uploads (bsc#1261447).
- CVE-2026-34830: rack: crafted `X-Accel-Mapping`headers can lead to regex injection (bsc#1261458).
- CVE-2026-34831: rack: `Content-Length` mismatch can lead to incorrectly framed error responses (bsc#1261466).

Other fixes:

- Update to version 2.27

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected rmt-server, rmt-server-config and / or rmt-server-pubcloud packages.

Plugin Details

Severity: High

ID: 315278

File Name: suse_SU-2026-1964-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/19/2026

Updated: 5/19/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-34830

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:rmt-server-pubcloud, p-cpe:/a:novell:suse_linux:rmt-server, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:rmt-server-config

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/18/2026

Vulnerability Publication Date: 4/2/2026

Reference Information

CVE: 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

SuSE: SUSE-SU-2026:1964-1

Detections

Analytics