What is GHSA-pqhx-w72w-m393?

GHSA-pqhx-w72w-m393 is a security advisory published by GitHub Security Advisories with Critical severity. ntfy.sh allows a remote attacker to execute arbitrary code via the parseActions function

Which CVE IDs does GHSA-pqhx-w72w-m393 cover?

GHSA-pqhx-w72w-m393 covers the following CVE IDs: CVE-2026-39087. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-pqhx-w72w-m393?

GHSA-pqhx-w72w-m393 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-pqhx-w72w-m393?

GHSA-pqhx-w72w-m393 affects 1 product, including: go/heckel.io/ntfy/v2:\u003c 2.22.0.

GHSA-pqhx-w72w-m393CriticalCVSS 9.8

ntfy.sh allows a remote attacker to execute arbitrary code via the parseActions function

Vendor

GitHub Security Advisories

Published

April 23, 2026

Last Modified

May 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-39087 →

📋 Description

An issue in Ntfy ntfy.sh before v.2.22.0 allows a remote attacker to execute arbitrary code via the parseActions function.

🎯 Affected products1

go/heckel.io/ntfy/v2:< 2.22.0

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-39087
https://gist.github.com/MightyNawaf/5d41d6e8ead16e217f86b016002ecae5
http://ntfy.com
http://ntfysh.com
https://github.com/binwiederhier/ntfy/releases/tag/v2.22.0
https://github.com/advisories/GHSA-pqhx-w72w-m393