CVE-2026-59929: mistune before 3.3.0 (exclusive), < 3.3.0

CVE-2026-59929. CVSS 3.1 base score 6.1 (MEDIUM, Vendor/CNA). EPSS 0.00341 (percentile 0.26479), 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 6.1/10) rates confidentiality and integrity impact as low; 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-79, CWE-184
CCR priority: 24.5 /100 (P4)
CVSS 3.1: 6.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · Vendor/CNA
EPSS: 0.00341 · percentile 0.27392 · 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-2026-59929.html