CVE-2026-39087

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

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.1 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

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

Configurations

No configuration.

History

04 Jul 2026, 16:17

Type	Values Removed	Values Added
References	~~{'url': 'http://ntfy.com', 'source': 'cve@mitre.org'}~~ ~~{'url': 'http://ntfysh.com', 'source': 'cve@mitre.org'}~~	() https://ntfy.sh -
CWE		CWE-777
Summary	~~(en) ntfy before 2.22.0 allows SSRF because of an unanchored regular expression.~~	(en) ntfy before 2.22.0 allows SSRF because of an unanchored regular expression for web push endpoint URLs.
CVSS	v2 : ~~unknown~~ v3 : ~~9.8~~	v2 : unknown v3 : 6.4

04 May 2026, 06:16

Type	Values Removed	Values Added
Summary	~~(en) An issue in Ntfy ntfy.sh before v.2.21 allows a remote attacker to execute arbitrary code via the parseActions function~~	(en) ntfy before 2.22.0 allows SSRF because of an unanchored regular expression.
References		() https://github.com/binwiederhier/ntfy/releases/tag/v2.22.0 -

23 Apr 2026, 19:17

Type	Values Removed	Values Added
CWE		CWE-94
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

23 Apr 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-23 16:16

Updated : 2026-07-04 16:17

NVD link : CVE-2026-39087

Mitre link : CVE-2026-39087

CVE.ORG link : CVE-2026-39087

JSON object : View

Products Affected

No product.

CWE

CWE-777

Regular Expression without Anchors

CWE-94

Improper Control of Generation of Code ('Code Injection')

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