CVE-2026-59930: mistune before 3.3.0 (exclusive), < 3.3.0

CVE-2026-59930. CVSS 3.1 base score 4.3 (MEDIUM, Vendor/CNA). EPSS 0.00192 (percentile 0.08355), 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 · User interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 4.3/10) rates confidentiality and availability impact as none; integrity impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-345, CWE-1284
CCR priority: 17.2 /100 (P5)
CVSS 3.1: 4.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N · Vendor/CNA
EPSS: 0.00192 · percentile 0.08735 · 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-2026-59930.html