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Echo: tornado: security update to 6.5.3

medium Tenable Cloud Security Plugin ID 459941

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, the
 supplied reason phrase is used unescaped in HTTP headers (where it could be used for header injection) or
 in HTML in the default error page (where it could be used for XSS) and can be exploited by passing
 untrusted or malicious data into the reason argument. Used by both RequestHandler.set_status and
 tornado.web.HTTPError, the argument is designed to allow applications to pass custom "reason" phrases (the
 "Not Found" in HTTP/1.1 404 Not Found) to the HTTP status line (mainly for non-standard status codes).
 This issue is fixed in version 6.5.3. (CVE-2025-67724)

Solution

Update the tornado library and its related packages to version 6.5.3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-67724

Plugin Details

Severity: Medium

ID: 459941

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 8.96

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2025-67724

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/12/2026

Vulnerability Publication Date: 12/12/2025

Reference Information

CVE: CVE-2025-67724

IAVB: 2026-B-0009-S