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SUSE SLES15 Security Update : python-aiohttp (SUSE-SU-2026:4113-1)

medium Nessus Plugin ID 345845

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Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4113-1 advisory.

 - CVE-2026-59881: excessive resource consumption due to WebSocket client accepting compressed frames without negotiated permessage-deflate (bsc#1273125).
 - CVE-2026-69243: HTTP request smuggling via the WebSocket upgrade procedure (bsc#1273553).

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 python3-aiohttp package.

See Also

https://bugzilla.suse.com/1273125

https://bugzilla.suse.com/1273553

https://www.suse.com/security/cve/CVE-2026-59881

https://www.suse.com/security/cve/CVE-2026-69243

http://www.nessus.org/u?eb65bfe0

Plugin Details

Severity: Medium

ID: 345845

File Name: suse_SU-2026-4113-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/15/2026

Updated: 9/15/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Percentile: 96.29

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.2

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

CVSS Score Source: CVE-2026-69243

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-59881

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:python3-aiohttp

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/9/2026

Vulnerability Publication Date: 7/30/2026

Reference Information

CVE: CVE-2026-59881, CVE-2026-69243

SuSE: SUSE-SU-2026:4113-1