VulnerabilityAwaiting Analysis

CVE-2026-39087

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

MEDIUM 6.4EPSS 0.27%

Does this matter?

Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own.

Description

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

CVSS 3.1: 6.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
EPSS: 0.27% probability · 19th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-777, CWE-94
Source: cve@mitre.org

EPSS trend

EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://gist.github.com/MightyNawaf/5d41d6e8ead16e217f86b016002ecae5
https://github.com/binwiederhier/ntfy/releases/tag/v2.22.0
https://ntfy.sh

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.