Echo: marshmallow: security update to 3.26.2

medium Tenable Cloud Security Plugin ID 458186

Description

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

- Marshmallow is a lightweight library for converting complex objects to and from simple Python datatypes.
In versions from 3.0.0rc1 to before 3.26.2 and from 4.0.0 to before 4.1.2, Schema.load(data, many=True) is
vulnerable to denial of service attacks. A moderately sized request can consume a disproportionate amount
of CPU time. This issue has been patched in version 3.26.2 and 4.1.2. (CVE-2025-68480)

Solution

Update the marshmallow library and its related packages to version 3.26.2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-68480

Plugin Details

Severity: Medium

ID: 458186

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: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2025-68480

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:N/A:L

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/1/2026

Vulnerability Publication Date: 12/22/2025

Reference Information

CVE: CVE-2025-68480