RHEL 10 : python-tornado (RHSA-2026:13641)

high Nessus Plugin ID 312173

Synopsis

The remote Red Hat host is missing one or more security updates for python-tornado.

Description

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:13641 advisory.

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

* tornado-python: Tornado: Denial of Service via large multipart bodies (CVE-2026-31958)

* tornado: Tornado: Cookie attribute injection due to improper handling of cookie arguments (CVE-2026-35536)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL python-tornado package based on the guidance in RHSA-2026:13641.

See Also

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2446765

https://bugzilla.redhat.com/show_bug.cgi?id=2454716

http://www.nessus.org/u?a7f26d05

https://access.redhat.com/errata/RHSA-2026:13641

Plugin Details

Severity: High

ID: 312173

File Name: redhat-RHSA-2026-13641.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/5/2026

Updated: 5/5/2026

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

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-35536

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-31958

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.1, p-cpe:/a:redhat:enterprise_linux:python3-tornado, p-cpe:/a:redhat:enterprise_linux:python-tornado

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/5/2026

Vulnerability Publication Date: 3/11/2026

Reference Information

CVE: CVE-2026-31958, CVE-2026-35536

CWE: 770, 88

RHSA: 2026:13641