P4Verified

CVE-2026-40036: unfurl before 2026.04 (exclusive), 0 to before 2026.04

CVE-2026-40036. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.0079 (percentile 0.54814), scored 2026-10-06.

Affected technology

unfurl · before 2026.04 (exclusive)
ryandfir

unfurl · 0 to before 2026.04
obsidianforensics

Description’s affected range: before 2026.04

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Remote attackers can cause denial of service. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 2026-10-08 17:34:52.256643+00:00

CWE: CWE-409, CWE-770
CCR priority: 30.2 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.0079 · percentile 0.54913 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-40036.html