CVE-2026-39087

CVSS 6.4 MEDIUMEPSS 0.4%CWE-777 CWE-94

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.4EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

23 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Affected products

References