Detections
Analytics

SCA: security update for mistune (GHSA-h7ww-273w-6cm8)

high Tenable Self-Hosted Container Security Plugin ID 477255

Description

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

 - Mistune before 3.3.0 contains a path traversal vulnerability in the Include directive that allows
 attackers to read arbitrary files by supplying ../ sequences in include paths. Attackers can also inject
 HTML through unescaped error messages and included file contents to perform cross-site scripting even when
 escape=True is set. (CVE-2026-115355)

Solution

Update the mistune library and its related packages to version 3.3.0 or later.

See Also

https://github.com/advisories/GHSA-h7ww-273w-6cm8

Plugin Details

Severity: High

ID: 477255

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/24/2026

Updated: 10/24/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-115355

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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:H/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/23/2026

Vulnerability Publication Date: 10/22/2026

Reference Information

CVE: CVE-2026-115355

cwe: CWE-22