{"id":"CVE-2026-39087","aliases":["GHSA-pqhx-w72w-m393","GO-2026-5551"],"url":"https://o3.security/vulnerability/CVE-2026-39087","summary":"ntfy.sh allows a remote attacker to execute arbitrary code via the parseActions function","details":"An issue in Ntfy ntfy.sh before v.2.22.0 allows a remote attacker to execute arbitrary code via the parseActions function.","published":"2026-04-23T00:00:00Z","modified":"2026-08-12T03:51:46.952540492Z","cvss":{"score":6.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N"},"epss":{"score":0.00272,"percentile":0.19449,"asOf":"2026-08-14"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"heckel.io/ntfy/v2","fixedVersion":"2.22.0"}],"fix":null,"references":[{"type":"WEB","url":"https://gist.github.com/MightyNawaf/5d41d6e8ead16e217f86b016002ecae5"},{"type":"WEB","url":"https://github.com/binwiederhier/ntfy/releases/tag/v2.22.0"},{"type":"WEB","url":"https://ntfy.sh"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39087.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39087"},{"type":"PACKAGE","url":"https://github.com/binwiederhier/ntfy"},{"type":"WEB","url":"http://ntfy.com"},{"type":"WEB","url":"http://ntfysh.com"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:46.952540492Z"}}