CVE-2026-39087

CRITICAL

Ntfy ntfy.sh <2.21 - RCE

Title source: llm

Description

An issue in Ntfy ntfy.sh before v.2.21 allows a remote attacker to execute arbitrary code via the parseActions function

References (3)

Scores

CVSS v3 9.8
EPSS 0.0025
EPSS Percentile 47.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-94
Status published
Published Apr 23, 2026
Tracked Since Apr 23, 2026