ntfy before 2.22.0 allows SSRF because of an unanchored regular expression for web push endpoint URLs.
{ "binaries": [ { "binary_name": "ntfy", "binary_version": "2.11.0-2" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-39087.json"
{ "binaries": [ { "binary_name": "ntfy", "binary_version": "2.11.0-3ubuntu0.26.04.1~esm1" } ] }