HIGHCVSS v3.1 7.5Vulnerability

CVE-2026-115355

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.

Properties

Severity
HIGH
Nvd fetched at
2026-10-22T22:14:18.200859+00:00
Cvss severity
HIGH
Cvss score
7.5
Retrieved at
2026-10-22T22:16:40+00:00
Score
7.5
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-115355
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
First seen by Signal
2026-10-22T22:12:23+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published at
2026-10-22T19:17:41.520
Last modified
2026-10-22T19:17:41.633

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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CVE-2026-115355 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal