Detections
Analytics

Echo: nltk: security update to 3.10.3

critical Tenable Cloud Security Plugin ID 465137

Description

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

 - NLTK versions before 3.10.3 contain a remote code execution vulnerability in allowlisted pickle loaders
 that trust entire module namespaces instead of specific safe callables. Attackers can craft malicious
 pickle payloads invoking dangerous in-namespace functions like ReppTokenizer._execute and
 numpy.f2py.crackfortran.myeval through pickle REDUCE to execute arbitrary commands during model or
 tokenizer artifact loading. (CVE-2026-79657)

Solution

Update the nltk library and its related packages to version 3.10.3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-79657

Plugin Details

Severity: Critical

ID: 465137

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-79657

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/9/2026

Vulnerability Publication Date: 8/25/2026

Reference Information

CVE: CVE-2026-79657