CVE-2026-59924: mistune before 3.3.0 (exclusive), < 3.3.0

CVE-2026-59924. CVSS 3.1 base score 5.9 (MEDIUM, Vendor/CNA). EPSS 0.00462 (percentile 0.39161), scored 24-Oct-2026.

Affected technology

mistune · before 3.3.0 (exclusive)
mistune project

mistune · < 3.3.0
lepture

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-22
CCR priority: 23.7 /100 (P4)
CVSS 3.1: 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
EPSS: 0.00462 · percentile 0.39802 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-59924.html