VULNERABILITY INTELLIGENCE

CVE-2026-39087

CVSS score9.8 CRITICAL
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-04-23
Last modified2026-07-04
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

ntfy before 2.22.0 allows SSRF because of an unanchored regular expression for web push endpoint URLs.

Weakness classification

  • CWE-94: Improper Control of Generation of Code ('Code Injection')
  • CWE-777: Regular Expression without Anchors

Primary references