GHSA-PQHX-W72W-M393 ntfy.sh allows a remote attacker to execute arbitrary code via the parseActions function

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

CVE-2026-39087

CVE-2026-39087 affects ntfy.sh (Ntfy) prior to v2.21. The issue is in the parseActions function, enabling a remote attacker to execute arbitrary code. Affected: ntfy.sh

CVE-2026-39087

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