CVE-2026-39087

CRITICAL

ntfy < 2.22.0 - Server-Side Request Forgery

Title source: manual
STIX 2.1

Description

ntfy before 2.22.0 allows SSRF because of an unanchored regular expression.

Scores

CVSS v3 9.8
EPSS 0.0041
EPSS Percentile 32.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-94
Status published
Products (1)
ntfy/v2 0 - 2.22.0Go
Published Apr 23, 2026
Tracked Since Apr 23, 2026