openSUSE 16: ansible-rmt-server / rmt-server / rmt-server-config / etc (openSUSE-SU-2026:21640-1)

high Nessus Plugin ID 341171

Synopsis

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

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21640-1 advisory.

Update to version 3.1 (bsc#1274715).

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-2026-34230: rack: crafted `Accept-Encoding` headers can cause a denial of service (bsc#1261388).
- 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 parsing HTTP `Range` headers can lead to excessive resource consumption and a denial of service (bsc#1261436).
- CVE-2026-34829: rack: multipart parsing without `Content-Length` header can lead to unbounded chunked file uploads and a denial of service (bsc#1261447).
- CVE-2026-34230: rack: quadratic complexity when processing of wildcard `Accept-Encoding` headers can lead to a denial of service (bsc#1261388).
- CVE-2026-34830: rack: improper sanitization of the `X-Accel-Mapping` request header can lead to the exposure of unintended files via `X-Accel-Redirect` (bsc#1261458).
- CVE-2026-34831: rack: `Content-Length` header and body byte size mismatch when creating error responses can lead to incorrect HTTP response framing (bsc#1261466).

Other updates and bugfixes:

- Version 3.1:
* Remove all errors and warnigs due to new Ruby and Ruby on Rails versions
- Version 2.28:
* Set arch to unknown for Rancher based products (jsc#SCC-759)
* Fix purge for large amount of systems (bsc#1262706)
* Change data type to `MEDIUMTEXT` in profiles table (bsc#1268305)
* Remove `proxy_byos` column
* Fix race condition when no system matches (bsc#1268301)
* Fix race condition for PAYG (bsc#1268149)
* Fix race condition to update a system (bsc#1268303)
- Version 2.27:
* Fix ReDoS vulnerability in `Addressable`
* Fixes out-of-bounds read vulnerability in `rdiscount`

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 ansible-rmt-server, rmt-server, rmt-server-config and / or rmt-server-pubcloud packages.

See Also

https://bugzilla.suse.com/1261388

https://bugzilla.suse.com/1261398

https://bugzilla.suse.com/1261406

https://bugzilla.suse.com/1261417

https://bugzilla.suse.com/1261426

https://bugzilla.suse.com/1261436

https://bugzilla.suse.com/1261447

https://bugzilla.suse.com/1261458

https://bugzilla.suse.com/1261466

https://bugzilla.suse.com/1261471

https://bugzilla.suse.com/1262706

https://bugzilla.suse.com/1268149

https://bugzilla.suse.com/1268301

https://bugzilla.suse.com/1268303

https://bugzilla.suse.com/1268305

https://bugzilla.suse.com/1274715

https://www.suse.com/security/cve/CVE-2026-26961

https://www.suse.com/security/cve/CVE-2026-26962

https://www.suse.com/security/cve/CVE-2026-34230

https://www.suse.com/security/cve/CVE-2026-34763

https://www.suse.com/security/cve/CVE-2026-34785

https://www.suse.com/security/cve/CVE-2026-34786

https://www.suse.com/security/cve/CVE-2026-34826

https://www.suse.com/security/cve/CVE-2026-34829

https://www.suse.com/security/cve/CVE-2026-34830

https://www.suse.com/security/cve/CVE-2026-34831

Plugin Details

Severity: High

ID: 341171

File Name: openSUSE-2026-21640-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/28/2026

Updated: 8/28/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

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: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:ansible-rmt-server, p-cpe:/a:novell:opensuse:rmt-server-config, p-cpe:/a:novell:opensuse:rmt-server-pubcloud, p-cpe:/a:novell:opensuse:rmt-server

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: 8/25/2026

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